788137025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 1096263168

約数和(自身を除く): 308126143

約数列:

[1, 5, 13, 25, 31, 65, 137, 155, 325, 403, 571, 685, 775, 1781, 2015, 2855, 3425, 4247, 7423, 8905, 10075, 14275, 17701, 21235, 37115, 44525, 55211, 78227, 88505, 106175, 185575, 230113, 276055, 391135, 442525, 1016951, 1150565, 1380275, 1955675, 2425037, 5084755, 5752825, 12125185, 25423775, 31525481, 60625925, 157627405, 788137025]

約数ペア:

[(1, 788137025), (5, 157627405), (13, 60625925), (25, 31525481), (31, 25423775), (65, 12125185), (137, 5752825), (155, 5084755), (325, 2425037), (403, 1955675), (571, 1380275), (685, 1150565), (775, 1016951), (1781, 442525), (2015, 391135), (2855, 276055), (3425, 230113), (4247, 185575), (7423, 106175), (8905, 88505), (10075, 78227), (14275, 55211), (17701, 44525), (21235, 37115)]