131031494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 219283200

約数和(自身を除く): 88251706

約数列:

[1, 2, 11, 22, 71, 142, 149, 298, 563, 781, 1126, 1562, 1639, 3278, 6193, 10579, 12386, 21158, 39973, 79946, 83887, 116369, 167774, 232738, 439703, 879406, 922757, 1845514, 5955977, 11911954, 65515747, 131031494]

約数ペア:

[(1, 131031494), (2, 65515747), (11, 11911954), (22, 5955977), (71, 1845514), (142, 922757), (149, 879406), (298, 439703), (563, 232738), (781, 167774), (1126, 116369), (1562, 83887), (1639, 79946), (3278, 39973), (6193, 21158), (10579, 12386)]