251161535

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{10321}}^1$

素因数の和:10514

約数の個数: 16

約数和(自身を含む): 313128192

約数和(自身を除く): 61966657

約数列:

[1, 5, 31, 155, 157, 785, 4867, 10321, 24335, 51605, 319951, 1599755, 1620397, 8101985, 50232307, 251161535]

約数ペア:

[(1, 251161535), (5, 50232307), (31, 8101985), (155, 1620397), (157, 1599755), (785, 319951), (4867, 51605), (10321, 24335)]