1618394401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 1836843008

約数和(自身を除く): 218448607

約数列:

[1, 13, 31, 103, 127, 307, 403, 1339, 1651, 3193, 3937, 3991, 9517, 13081, 31621, 38989, 41509, 51181, 123721, 170053, 405511, 411073, 506857, 980251, 1208659, 4015867, 5271643, 12743263, 15712567, 52206271, 124491877, 1618394401]

約数ペア:

[(1, 1618394401), (13, 124491877), (31, 52206271), (103, 15712567), (127, 12743263), (307, 5271643), (403, 4015867), (1339, 1208659), (1651, 980251), (3193, 506857), (3937, 411073), (3991, 405511), (9517, 170053), (13081, 123721), (31621, 51181), (38989, 41509)]