31249426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 52674048

約数和(自身を除く): 21424622

約数列:

[1, 2, 13, 26, 31, 62, 137, 274, 283, 403, 566, 806, 1781, 3562, 3679, 4247, 7358, 8494, 8773, 17546, 38771, 55211, 77542, 110422, 114049, 228098, 504023, 1008046, 1201901, 2403802, 15624713, 31249426]

約数ペア:

[(1, 31249426), (2, 15624713), (13, 2403802), (26, 1201901), (31, 1008046), (62, 504023), (137, 228098), (274, 114049), (283, 110422), (403, 77542), (566, 55211), (806, 38771), (1781, 17546), (3562, 8773), (3679, 8494), (4247, 7358)]