156928390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{143971}}^1$

素因数の和:144087

約数の個数: 16

約数和(自身を含む): 285064560

約数和(自身を除く): 128136170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 143971, 287942, 719855, 1439710, 15692839, 31385678, 78464195, 156928390]

約数ペア:

[(1, 156928390), (2, 78464195), (5, 31385678), (10, 15692839), (109, 1439710), (218, 719855), (545, 287942), (1090, 143971)]