678704

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{251}}^1$

素因数の和:285

約数の個数: 30

約数和(自身を含む): 1429596

約数和(自身を除く): 750892

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 251, 338, 502, 676, 1004, 1352, 2008, 2704, 3263, 4016, 6526, 13052, 26104, 42419, 52208, 84838, 169676, 339352, 678704]

約数ペア:

[(1, 678704), (2, 339352), (4, 169676), (8, 84838), (13, 52208), (16, 42419), (26, 26104), (52, 13052), (104, 6526), (169, 4016), (208, 3263), (251, 2704), (338, 2008), (502, 1352), (676, 1004)]