128522576

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 309813504

約数和(自身を除く): 181290928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 103, 104, 112, 182, 206, 208, 364, 412, 721, 728, 824, 857, 1339, 1442, 1456, 1648, 1714, 2678, 2884, 3428, 5356, 5768, 5999, 6856, 9373, 10712, 11141, 11536, 11998, 13712, 18746, 21424, 22282, 23996, 37492, 44564, 47992, 74984, 77987, 88271, 89128, 95984, 149968, 155974, 176542, 178256, 311948, 353084, 617897, 623896, 706168, 1147523, 1235794, 1247792, 1412336, 2295046, 2471588, 4590092, 4943176, 8032661, 9180184, 9886352, 16065322, 18360368, 32130644, 64261288, 128522576]

約数ペア:

[(1, 128522576), (2, 64261288), (4, 32130644), (7, 18360368), (8, 16065322), (13, 9886352), (14, 9180184), (16, 8032661), (26, 4943176), (28, 4590092), (52, 2471588), (56, 2295046), (91, 1412336), (103, 1247792), (104, 1235794), (112, 1147523), (182, 706168), (206, 623896), (208, 617897), (364, 353084), (412, 311948), (721, 178256), (728, 176542), (824, 155974), (857, 149968), (1339, 95984), (1442, 89128), (1456, 88271), (1648, 77987), (1714, 74984), (2678, 47992), (2884, 44564), (3428, 37492), (5356, 23996), (5768, 22282), (5999, 21424), (6856, 18746), (9373, 13712), (10712, 11998), (11141, 11536)]