257733791

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{23893}}^1$

素因数の和:23990

約数の個数: 16

約数和(自身を含む): 311960064

約数和(自身を除く): 54226273

約数列:

[1, 7, 23, 67, 161, 469, 1541, 10787, 23893, 167251, 549539, 1600831, 3846773, 11205817, 36819113, 257733791]

約数ペア:

[(1, 257733791), (7, 36819113), (23, 11205817), (67, 3846773), (161, 1600831), (469, 549539), (1541, 167251), (10787, 23893)]