64737770

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157897}}^1$

素因数の和:157945

約数の個数: 16

約数和(自身を含む): 119370888

約数和(自身を除く): 54633118

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 157897, 315794, 789485, 1578970, 6473777, 12947554, 32368885, 64737770]

約数ペア:

[(1, 64737770), (2, 32368885), (5, 12947554), (10, 6473777), (41, 1578970), (82, 789485), (205, 315794), (410, 157897)]