128876839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 163021824

約数和(自身を除く): 34144985

約数列:

[1, 7, 13, 83, 91, 113, 151, 581, 791, 1057, 1079, 1469, 1963, 7553, 9379, 10283, 12533, 13741, 17063, 65653, 87731, 119441, 121927, 162929, 221819, 853489, 1140503, 1416229, 1552733, 9913603, 18410977, 128876839]

約数ペア:

[(1, 128876839), (7, 18410977), (13, 9913603), (83, 1552733), (91, 1416229), (113, 1140503), (151, 853489), (581, 221819), (791, 162929), (1057, 121927), (1079, 119441), (1469, 87731), (1963, 65653), (7553, 17063), (9379, 13741), (10283, 12533)]