128641912

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{701}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 288100800

約数和(自身を除く): 159458888

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 113, 116, 203, 226, 232, 406, 452, 701, 791, 812, 904, 1402, 1582, 1624, 2804, 3164, 3277, 4907, 5608, 6328, 6554, 9814, 13108, 19628, 20329, 22939, 26216, 39256, 40658, 45878, 79213, 81316, 91756, 142303, 158426, 162632, 183512, 284606, 316852, 554491, 569212, 633704, 1108982, 1138424, 2217964, 2297177, 4435928, 4594354, 9188708, 16080239, 18377416, 32160478, 64320956, 128641912]

約数ペア:

[(1, 128641912), (2, 64320956), (4, 32160478), (7, 18377416), (8, 16080239), (14, 9188708), (28, 4594354), (29, 4435928), (56, 2297177), (58, 2217964), (113, 1138424), (116, 1108982), (203, 633704), (226, 569212), (232, 554491), (406, 316852), (452, 284606), (701, 183512), (791, 162632), (812, 158426), (904, 142303), (1402, 91756), (1582, 81316), (1624, 79213), (2804, 45878), (3164, 40658), (3277, 39256), (4907, 26216), (5608, 22939), (6328, 20329), (6554, 19628), (9814, 13108)]