81656484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:154

約数の個数: 192

約数和(自身を含む): 251682816

約数和(自身を除く): 170026332

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 43, 47, 52, 74, 78, 84, 86, 91, 94, 111, 129, 141, 148, 156, 172, 182, 188, 222, 258, 259, 273, 282, 301, 329, 364, 444, 481, 516, 518, 546, 559, 564, 602, 611, 658, 777, 903, 962, 987, 1036, 1092, 1118, 1204, 1222, 1316, 1443, 1554, 1591, 1677, 1739, 1806, 1833, 1924, 1974, 2021, 2236, 2444, 2886, 3108, 3182, 3354, 3367, 3478, 3612, 3666, 3913, 3948, 4042, 4277, 4773, 5217, 5772, 6063, 6364, 6708, 6734, 6956, 7332, 7826, 8084, 8554, 9546, 10101, 10434, 11137, 11739, 12126, 12173, 12831, 13468, 14147, 15652, 17108, 19092, 20202, 20683, 20868, 22274, 22607, 23478, 24252, 24346, 25662, 26273, 28294, 33411, 36519, 40404, 41366, 42441, 44548, 45214, 46956, 48692, 51324, 52546, 56588, 62049, 66822, 67821, 73038, 74777, 78819, 82732, 84882, 90428, 105092, 124098, 133644, 135642, 144781, 146076, 149554, 157638, 158249, 169764, 183911, 224331, 248196, 271284, 289562, 299108, 315276, 316498, 367822, 434343, 448662, 474747, 523439, 551733, 579124, 632996, 735644, 868686, 897324, 949494, 972101, 1046878, 1103466, 1570317, 1737372, 1898988, 1944202, 2093756, 2206932, 2916303, 3140634, 3888404, 5832606, 6281268, 6804707, 11665212, 13609414, 20414121, 27218828, 40828242, 81656484]

約数ペア:

[(1, 81656484), (2, 40828242), (3, 27218828), (4, 20414121), (6, 13609414), (7, 11665212), (12, 6804707), (13, 6281268), (14, 5832606), (21, 3888404), (26, 3140634), (28, 2916303), (37, 2206932), (39, 2093756), (42, 1944202), (43, 1898988), (47, 1737372), (52, 1570317), (74, 1103466), (78, 1046878), (84, 972101), (86, 949494), (91, 897324), (94, 868686), (111, 735644), (129, 632996), (141, 579124), (148, 551733), (156, 523439), (172, 474747), (182, 448662), (188, 434343), (222, 367822), (258, 316498), (259, 315276), (273, 299108), (282, 289562), (301, 271284), (329, 248196), (364, 224331), (444, 183911), (481, 169764), (516, 158249), (518, 157638), (546, 149554), (559, 146076), (564, 144781), (602, 135642), (611, 133644), (658, 124098), (777, 105092), (903, 90428), (962, 84882), (987, 82732), (1036, 78819), (1092, 74777), (1118, 73038), (1204, 67821), (1222, 66822), (1316, 62049), (1443, 56588), (1554, 52546), (1591, 51324), (1677, 48692), (1739, 46956), (1806, 45214), (1833, 44548), (1924, 42441), (1974, 41366), (2021, 40404), (2236, 36519), (2444, 33411), (2886, 28294), (3108, 26273), (3182, 25662), (3354, 24346), (3367, 24252), (3478, 23478), (3612, 22607), (3666, 22274), (3913, 20868), (3948, 20683), (4042, 20202), (4277, 19092), (4773, 17108), (5217, 15652), (5772, 14147), (6063, 13468), (6364, 12831), (6708, 12173), (6734, 12126), (6956, 11739), (7332, 11137), (7826, 10434), (8084, 10101), (8554, 9546)]