128445016

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2072

約数の個数: 64

約数和(自身を含む): 294624000

約数和(自身を除く): 166178984

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 427, 488, 532, 854, 1064, 1159, 1708, 1979, 2318, 3416, 3958, 4636, 7916, 8113, 9272, 13853, 15832, 16226, 27706, 32452, 37601, 55412, 64904, 75202, 110824, 120719, 150404, 241438, 263207, 300808, 482876, 526414, 845033, 965752, 1052828, 1690066, 2105656, 2293661, 3380132, 4587322, 6760264, 9174644, 16055627, 18349288, 32111254, 64222508, 128445016]

約数ペア:

[(1, 128445016), (2, 64222508), (4, 32111254), (7, 18349288), (8, 16055627), (14, 9174644), (19, 6760264), (28, 4587322), (38, 3380132), (56, 2293661), (61, 2105656), (76, 1690066), (122, 1052828), (133, 965752), (152, 845033), (244, 526414), (266, 482876), (427, 300808), (488, 263207), (532, 241438), (854, 150404), (1064, 120719), (1159, 110824), (1708, 75202), (1979, 64904), (2318, 55412), (3416, 37601), (3958, 32452), (4636, 27706), (7916, 16226), (8113, 15832), (9272, 13853)]