664767970

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{6659}}^1$

素因数の和:6882

約数の個数: 32

約数和(自身を含む): 1222776000

約数和(自身を除く): 558008030

約数列:

[1, 2, 5, 10, 67, 134, 149, 298, 335, 670, 745, 1490, 6659, 9983, 13318, 19966, 33295, 49915, 66590, 99830, 446153, 892306, 992191, 1984382, 2230765, 4461530, 4960955, 9921910, 66476797, 132953594, 332383985, 664767970]

約数ペア:

[(1, 664767970), (2, 332383985), (5, 132953594), (10, 66476797), (67, 9921910), (134, 4960955), (149, 4461530), (298, 2230765), (335, 1984382), (670, 992191), (745, 892306), (1490, 446153), (6659, 99830), (9983, 66590), (13318, 49915), (19966, 33295)]