28265706

素因数分解:

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

素因数の和:145

約数の個数: 128

約数和(自身を含む): 77045760

約数和(自身を除く): 48780054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 43, 47, 54, 63, 74, 86, 94, 111, 126, 129, 141, 189, 222, 258, 259, 282, 301, 329, 333, 378, 387, 423, 518, 602, 658, 666, 774, 777, 846, 903, 987, 999, 1161, 1269, 1554, 1591, 1739, 1806, 1974, 1998, 2021, 2322, 2331, 2538, 2709, 2961, 3182, 3478, 4042, 4662, 4773, 5217, 5418, 5922, 6063, 6993, 8127, 8883, 9546, 10434, 11137, 12126, 12173, 13986, 14147, 14319, 15651, 16254, 17766, 18189, 22274, 24346, 28294, 28638, 31302, 33411, 36378, 36519, 42441, 42957, 46953, 54567, 66822, 73038, 74777, 84882, 85914, 93906, 100233, 109134, 109557, 127323, 149554, 200466, 219114, 224331, 254646, 300699, 328671, 381969, 448662, 523439, 601398, 657342, 672993, 763938, 1046878, 1345986, 1570317, 2018979, 3140634, 4037958, 4710951, 9421902, 14132853, 28265706]

約数ペア:

[(1, 28265706), (2, 14132853), (3, 9421902), (6, 4710951), (7, 4037958), (9, 3140634), (14, 2018979), (18, 1570317), (21, 1345986), (27, 1046878), (37, 763938), (42, 672993), (43, 657342), (47, 601398), (54, 523439), (63, 448662), (74, 381969), (86, 328671), (94, 300699), (111, 254646), (126, 224331), (129, 219114), (141, 200466), (189, 149554), (222, 127323), (258, 109557), (259, 109134), (282, 100233), (301, 93906), (329, 85914), (333, 84882), (378, 74777), (387, 73038), (423, 66822), (518, 54567), (602, 46953), (658, 42957), (666, 42441), (774, 36519), (777, 36378), (846, 33411), (903, 31302), (987, 28638), (999, 28294), (1161, 24346), (1269, 22274), (1554, 18189), (1591, 17766), (1739, 16254), (1806, 15651), (1974, 14319), (1998, 14147), (2021, 13986), (2322, 12173), (2331, 12126), (2538, 11137), (2709, 10434), (2961, 9546), (3182, 8883), (3478, 8127), (4042, 6993), (4662, 6063), (4773, 5922), (5217, 5418)]