28135044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1151}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 82188288

約数和(自身を除く): 54053244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 873, 1151, 1164, 1358, 1746, 2037, 2302, 2716, 3453, 3492, 4074, 4604, 6111, 6906, 8057, 8148, 10359, 12222, 13812, 16114, 20718, 24171, 24444, 32228, 41436, 48342, 72513, 96684, 111647, 145026, 223294, 290052, 334941, 446588, 669882, 781529, 1004823, 1339764, 1563058, 2009646, 2344587, 3126116, 4019292, 4689174, 7033761, 9378348, 14067522, 28135044]

約数ペア:

[(1, 28135044), (2, 14067522), (3, 9378348), (4, 7033761), (6, 4689174), (7, 4019292), (9, 3126116), (12, 2344587), (14, 2009646), (18, 1563058), (21, 1339764), (28, 1004823), (36, 781529), (42, 669882), (63, 446588), (84, 334941), (97, 290052), (126, 223294), (194, 145026), (252, 111647), (291, 96684), (388, 72513), (582, 48342), (679, 41436), (873, 32228), (1151, 24444), (1164, 24171), (1358, 20718), (1746, 16114), (2037, 13812), (2302, 12222), (2716, 10359), (3453, 8148), (3492, 8057), (4074, 6906), (4604, 6111)]