331330970

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{40357}}^1$

素因数の和:41185

約数の個数: 16

約数和(自身を含む): 597136968

約数和(自身を除く): 265805998

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 40357, 80714, 201785, 403570, 33133097, 66266194, 165665485, 331330970]

約数ペア:

[(1, 331330970), (2, 165665485), (5, 66266194), (10, 33133097), (821, 403570), (1642, 201785), (4105, 80714), (8210, 40357)]