217424008

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{445541}}^1$

素因数の和:445608

約数の個数: 16

約数和(自身を含む): 414354060

約数和(自身を除く): 196930052

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 445541, 891082, 1782164, 3564328, 27178001, 54356002, 108712004, 217424008]

約数ペア:

[(1, 217424008), (2, 108712004), (4, 54356002), (8, 27178001), (61, 3564328), (122, 1782164), (244, 891082), (488, 445541)]