4991569478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20972981}}^1$

素因数の和:20973007

約数の個数: 16

約数和(自身を含む): 9060328224

約数和(自身を除く): 4068758746

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 20972981, 41945962, 146810867, 293621734, 356540677, 713081354, 2495784739, 4991569478]

約数ペア:

[(1, 4991569478), (2, 2495784739), (7, 713081354), (14, 356540677), (17, 293621734), (34, 146810867), (119, 41945962), (238, 20972981)]