1640673874

素因数分解:

$2^1\times 7^1\times {\mathrm{2789}}^1\times {\mathrm{42019}}^1$

素因数の和:44817

約数の個数: 16

約数和(自身を含む): 2813659200

約数和(自身を除く): 1172985326

約数列:

[1, 2, 7, 14, 2789, 5578, 19523, 39046, 42019, 84038, 294133, 588266, 117190991, 234381982, 820336937, 1640673874]

約数ペア:

[(1, 1640673874), (2, 820336937), (7, 234381982), (14, 117190991), (2789, 588266), (5578, 294133), (19523, 84038), (39046, 42019)]