7131640490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{400429}}^1$

素因数の和:400586

約数の個数: 32

約数和(自身を含む): 13925353680

約数和(自身を除く): 6793713190

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1781, 3562, 8905, 17810, 400429, 800858, 2002145, 4004290, 5205577, 10411154, 26027885, 52055770, 54858773, 109717546, 274293865, 548587730, 713164049, 1426328098, 3565820245, 7131640490]

約数ペア:

[(1, 7131640490), (2, 3565820245), (5, 1426328098), (10, 713164049), (13, 548587730), (26, 274293865), (65, 109717546), (130, 54858773), (137, 52055770), (274, 26027885), (685, 10411154), (1370, 5205577), (1781, 4004290), (3562, 2002145), (8905, 800858), (17810, 400429)]