128575148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3931}}^1$

素因数の和:4002

約数の個数: 48

約数和(自身を含む): 263569824

約数和(自身を除く): 134994676

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 221, 442, 481, 629, 884, 962, 1258, 1924, 2516, 3931, 7862, 8177, 15724, 16354, 32708, 51103, 66827, 102206, 133654, 145447, 204412, 267308, 290894, 581788, 868751, 1737502, 1890811, 2472599, 3475004, 3781622, 4945198, 7563244, 9890396, 32143787, 64287574, 128575148]

約数ペア:

[(1, 128575148), (2, 64287574), (4, 32143787), (13, 9890396), (17, 7563244), (26, 4945198), (34, 3781622), (37, 3475004), (52, 2472599), (68, 1890811), (74, 1737502), (148, 868751), (221, 581788), (442, 290894), (481, 267308), (629, 204412), (884, 145447), (962, 133654), (1258, 102206), (1924, 66827), (2516, 51103), (3931, 32708), (7862, 16354), (8177, 15724)]