17478818

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 30914688

約数和(自身を除く): 13435870

約数列:

[1, 2, 7, 14, 61, 97, 122, 194, 211, 422, 427, 679, 854, 1358, 1477, 2954, 5917, 11834, 12871, 20467, 25742, 40934, 41419, 82838, 90097, 143269, 180194, 286538, 1248487, 2496974, 8739409, 17478818]

約数ペア:

[(1, 17478818), (2, 8739409), (7, 2496974), (14, 1248487), (61, 286538), (97, 180194), (122, 143269), (194, 90097), (211, 82838), (422, 41419), (427, 40934), (679, 25742), (854, 20467), (1358, 12871), (1477, 11834), (2954, 5917)]