628403984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3021173}}^1$

素因数の和:3021194

約数の個数: 20

約数和(自身を含む): 1311189516

約数和(自身を除く): 682785532

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3021173, 6042346, 12084692, 24169384, 39275249, 48338768, 78550498, 157100996, 314201992, 628403984]

約数ペア:

[(1, 628403984), (2, 314201992), (4, 157100996), (8, 78550498), (13, 48338768), (16, 39275249), (26, 24169384), (52, 12084692), (104, 6042346), (208, 3021173)]