247307326

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 452874240

約数和(自身を除く): 205566914

約数列:

[1, 2, 7, 14, 41, 47, 82, 89, 94, 103, 178, 206, 287, 329, 574, 623, 658, 721, 1246, 1442, 1927, 3649, 3854, 4183, 4223, 4841, 7298, 8366, 8446, 9167, 9682, 13489, 18334, 25543, 26978, 29281, 29561, 33887, 51086, 58562, 59122, 64169, 67774, 128338, 171503, 198481, 343006, 375847, 396962, 430849, 751694, 861698, 1200521, 1389367, 2401042, 2630929, 2778734, 3015943, 5261858, 6031886, 17664809, 35329618, 123653663, 247307326]

約数ペア:

[(1, 247307326), (2, 123653663), (7, 35329618), (14, 17664809), (41, 6031886), (47, 5261858), (82, 3015943), (89, 2778734), (94, 2630929), (103, 2401042), (178, 1389367), (206, 1200521), (287, 861698), (329, 751694), (574, 430849), (623, 396962), (658, 375847), (721, 343006), (1246, 198481), (1442, 171503), (1927, 128338), (3649, 67774), (3854, 64169), (4183, 59122), (4223, 58562), (4841, 51086), (7298, 33887), (8366, 29561), (8446, 29281), (9167, 26978), (9682, 25543), (13489, 18334)]