257630418

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{104473}}^1$

素因数の和:104618

約数の個数: 24

約数和(自身を含む): 562279068

約数和(自身を除く): 304648650

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 104473, 208946, 313419, 626838, 940257, 1880514, 14312801, 28625602, 42938403, 85876806, 128815209, 257630418]

約数ペア:

[(1, 257630418), (2, 128815209), (3, 85876806), (6, 42938403), (9, 28625602), (18, 14312801), (137, 1880514), (274, 940257), (411, 626838), (822, 313419), (1233, 208946), (2466, 104473)]