81544428

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:857

約数の個数: 144

約数和(自身を含む): 259190400

約数和(自身を除く): 177645972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 76, 84, 98, 108, 114, 126, 133, 147, 171, 189, 196, 228, 252, 266, 294, 342, 378, 399, 441, 513, 532, 588, 684, 756, 798, 811, 882, 931, 1026, 1197, 1323, 1596, 1622, 1764, 1862, 2052, 2394, 2433, 2646, 2793, 3244, 3591, 3724, 4788, 4866, 5292, 5586, 5677, 7182, 7299, 8379, 9732, 11172, 11354, 14364, 14598, 15409, 16758, 17031, 21897, 22708, 25137, 29196, 30818, 33516, 34062, 39739, 43794, 46227, 50274, 51093, 61636, 68124, 79478, 87588, 92454, 100548, 102186, 107863, 119217, 138681, 153279, 158956, 184908, 204372, 215726, 238434, 277362, 306558, 323589, 357651, 416043, 431452, 476868, 554724, 613116, 647178, 715302, 755041, 832086, 970767, 1072953, 1294356, 1430604, 1510082, 1664172, 1941534, 2145906, 2265123, 2912301, 3020164, 3883068, 4291812, 4530246, 5824602, 6795369, 9060492, 11649204, 13590738, 20386107, 27181476, 40772214, 81544428]

約数ペア:

[(1, 81544428), (2, 40772214), (3, 27181476), (4, 20386107), (6, 13590738), (7, 11649204), (9, 9060492), (12, 6795369), (14, 5824602), (18, 4530246), (19, 4291812), (21, 3883068), (27, 3020164), (28, 2912301), (36, 2265123), (38, 2145906), (42, 1941534), (49, 1664172), (54, 1510082), (57, 1430604), (63, 1294356), (76, 1072953), (84, 970767), (98, 832086), (108, 755041), (114, 715302), (126, 647178), (133, 613116), (147, 554724), (171, 476868), (189, 431452), (196, 416043), (228, 357651), (252, 323589), (266, 306558), (294, 277362), (342, 238434), (378, 215726), (399, 204372), (441, 184908), (513, 158956), (532, 153279), (588, 138681), (684, 119217), (756, 107863), (798, 102186), (811, 100548), (882, 92454), (931, 87588), (1026, 79478), (1197, 68124), (1323, 61636), (1596, 51093), (1622, 50274), (1764, 46227), (1862, 43794), (2052, 39739), (2394, 34062), (2433, 33516), (2646, 30818), (2793, 29196), (3244, 25137), (3591, 22708), (3724, 21897), (4788, 17031), (4866, 16758), (5292, 15409), (5586, 14598), (5677, 14364), (7182, 11354), (7299, 11172), (8379, 9732)]