127951408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{615151}}^1$

素因数の和:615172

約数の個数: 20

約数和(自身を含む): 266975968

約数和(自身を除く): 139024560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 615151, 1230302, 2460604, 4921208, 7996963, 9842416, 15993926, 31987852, 63975704, 127951408]

約数ペア:

[(1, 127951408), (2, 63975704), (4, 31987852), (8, 15993926), (13, 9842416), (16, 7996963), (26, 4921208), (52, 2460604), (104, 1230302), (208, 615151)]