121427290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{639091}}^1$

素因数の和:639117

約数の個数: 16

約数和(自身を含む): 230073120

約数和(自身を除く): 108645830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 639091, 1278182, 3195455, 6390910, 12142729, 24285458, 60713645, 121427290]

約数ペア:

[(1, 121427290), (2, 60713645), (5, 24285458), (10, 12142729), (19, 6390910), (38, 3195455), (95, 1278182), (190, 639091)]