28124538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 64495872

約数和(自身を除く): 36371334

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 61, 69, 78, 122, 138, 183, 257, 299, 366, 514, 598, 771, 793, 897, 1403, 1542, 1586, 1794, 2379, 2806, 3341, 4209, 4758, 5911, 6682, 8418, 10023, 11822, 15677, 17733, 18239, 20046, 31354, 35466, 36478, 47031, 54717, 76843, 94062, 109434, 153686, 203801, 230529, 360571, 407602, 461058, 611403, 721142, 1081713, 1222806, 2163426, 4687423, 9374846, 14062269, 28124538]

約数ペア:

[(1, 28124538), (2, 14062269), (3, 9374846), (6, 4687423), (13, 2163426), (23, 1222806), (26, 1081713), (39, 721142), (46, 611403), (61, 461058), (69, 407602), (78, 360571), (122, 230529), (138, 203801), (183, 153686), (257, 109434), (299, 94062), (366, 76843), (514, 54717), (598, 47031), (771, 36478), (793, 35466), (897, 31354), (1403, 20046), (1542, 18239), (1586, 17733), (1794, 15677), (2379, 11822), (2806, 10023), (3341, 8418), (4209, 6682), (4758, 5911)]