278399322442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{90523}}^1\times {\mathrm{80933}}^1$

素因数の和:171477

約数の個数: 16

約数和(自身を含む): 439588164960

約数和(自身を除く): 161188842518

約数列:

[1, 2, 19, 38, 80933, 90523, 161866, 181046, 1537727, 1719937, 3075454, 3439874, 7326297959, 14652595918, 139199661221, 278399322442]

約数ペア:

[(1, 278399322442), (2, 139199661221), (19, 14652595918), (38, 7326297959), (80933, 3439874), (90523, 3075454), (161866, 1719937), (181046, 1537727)]