31220930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1753}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 60997104

約数和(自身を除く): 29776174

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1753, 1781, 3506, 3562, 8765, 8905, 17530, 17810, 22789, 45578, 113945, 227890, 240161, 480322, 1200805, 2401610, 3122093, 6244186, 15610465, 31220930]

約数ペア:

[(1, 31220930), (2, 15610465), (5, 6244186), (10, 3122093), (13, 2401610), (26, 1200805), (65, 480322), (130, 240161), (137, 227890), (274, 113945), (685, 45578), (1370, 22789), (1753, 17810), (1781, 17530), (3506, 8905), (3562, 8765)]