391326485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 585252864

約数和(自身を除く): 193926379

約数列:

[1, 5, 11, 17, 23, 31, 55, 85, 115, 155, 187, 253, 341, 391, 527, 587, 713, 935, 1265, 1705, 1955, 2635, 2935, 3565, 4301, 5797, 6457, 7843, 9979, 12121, 13501, 18197, 21505, 28985, 32285, 39215, 49895, 60605, 67505, 90985, 109769, 133331, 148511, 200167, 229517, 309349, 418531, 548845, 666655, 742555, 1000835, 1147585, 1546745, 2092655, 2524687, 3402839, 4603841, 7115027, 12623435, 17014195, 23019205, 35575135, 78265297, 391326485]

約数ペア:

[(1, 391326485), (5, 78265297), (11, 35575135), (17, 23019205), (23, 17014195), (31, 12623435), (55, 7115027), (85, 4603841), (115, 3402839), (155, 2524687), (187, 2092655), (253, 1546745), (341, 1147585), (391, 1000835), (527, 742555), (587, 666655), (713, 548845), (935, 418531), (1265, 309349), (1705, 229517), (1955, 200167), (2635, 148511), (2935, 133331), (3565, 109769), (4301, 90985), (5797, 67505), (6457, 60605), (7843, 49895), (9979, 39215), (12121, 32285), (13501, 28985), (18197, 21505)]