129219988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{39541}}^1$

素因数の和:39607

約数の個数: 24

約数和(自身を含む): 243578720

約数和(自身を除く): 114358732

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 39541, 79082, 158164, 751279, 1502558, 1700263, 3005116, 3400526, 6801052, 32304997, 64609994, 129219988]

約数ペア:

[(1, 129219988), (2, 64609994), (4, 32304997), (19, 6801052), (38, 3400526), (43, 3005116), (76, 1700263), (86, 1502558), (172, 751279), (817, 158164), (1634, 79082), (3268, 39541)]