99978512

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{102437}}^1$

素因数の和:102506

約数の個数: 20

約数和(自身を含む): 196885836

約数和(自身を除く): 96907324

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 102437, 204874, 409748, 819496, 1638992, 6248657, 12497314, 24994628, 49989256, 99978512]

約数ペア:

[(1, 99978512), (2, 49989256), (4, 24994628), (8, 12497314), (16, 6248657), (61, 1638992), (122, 819496), (244, 409748), (488, 204874), (976, 102437)]