1291106375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8191}}^1$

素因数の和:8316

約数の個数: 32

約数和(自身を含む): 1753350144

約数和(自身を除く): 462243769

約数列:

[1, 5, 13, 25, 65, 97, 125, 325, 485, 1261, 1625, 2425, 6305, 8191, 12125, 31525, 40955, 106483, 157625, 204775, 532415, 794527, 1023875, 2662075, 3972635, 10328851, 13310375, 19863175, 51644255, 99315875, 258221275, 1291106375]

約数ペア:

[(1, 1291106375), (5, 258221275), (13, 99315875), (25, 51644255), (65, 19863175), (97, 13310375), (125, 10328851), (325, 3972635), (485, 2662075), (1261, 1023875), (1625, 794527), (2425, 532415), (6305, 204775), (8191, 157625), (12125, 106483), (31525, 40955)]