217423318

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{150779}}^1$

素因数の和:150891

約数の個数: 16

約数和(自身を含む): 376346880

約数和(自身を除く): 158923562

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 150779, 301558, 1055453, 2110906, 15530237, 31060474, 108711659, 217423318]

約数ペア:

[(1, 217423318), (2, 108711659), (7, 31060474), (14, 15530237), (103, 2110906), (206, 1055453), (721, 301558), (1442, 150779)]