881957375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1327}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 1189144320

約数和(自身を除く): 307186945

約数列:

[1, 5, 13, 25, 65, 125, 325, 409, 1327, 1625, 2045, 5317, 6635, 10225, 17251, 26585, 33175, 51125, 86255, 132925, 165875, 431275, 542743, 664625, 2156375, 2713715, 7055659, 13568575, 35278295, 67842875, 176391475, 881957375]

約数ペア:

[(1, 881957375), (5, 176391475), (13, 67842875), (25, 35278295), (65, 13568575), (125, 7055659), (325, 2713715), (409, 2156375), (1327, 664625), (1625, 542743), (2045, 431275), (5317, 165875), (6635, 132925), (10225, 86255), (17251, 51125), (26585, 33175)]