397757515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{56701}}^1$

素因数の和:56790

約数の個数: 16

約数和(自身を含む): 506235456

約数和(自身を除く): 108477941

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 56701, 283505, 1304123, 3458761, 6520615, 17293805, 79551503, 397757515]

約数ペア:

[(1, 397757515), (5, 79551503), (23, 17293805), (61, 6520615), (115, 3458761), (305, 1304123), (1403, 283505), (7015, 56701)]