31474465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 12071135

約数列:

[1, 5, 11, 23, 55, 115, 139, 179, 253, 695, 895, 1265, 1529, 1969, 3197, 4117, 7645, 9845, 15985, 20585, 24881, 35167, 45287, 124405, 175835, 226435, 273691, 572263, 1368455, 2861315, 6294893, 31474465]

約数ペア:

[(1, 31474465), (5, 6294893), (11, 2861315), (23, 1368455), (55, 572263), (115, 273691), (139, 226435), (179, 175835), (253, 124405), (695, 45287), (895, 35167), (1265, 24881), (1529, 20585), (1969, 15985), (3197, 9845), (4117, 7645)]