81550768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23063}}^1$

素因数の和:23101

約数の個数: 40

約数和(自身を含む): 180175968

約数和(自身を除く): 98625200

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 23063, 46126, 92252, 184504, 299819, 369008, 392071, 599638, 784142, 1199276, 1568284, 2398552, 3136568, 4797104, 5096923, 6273136, 10193846, 20387692, 40775384, 81550768]

約数ペア:

[(1, 81550768), (2, 40775384), (4, 20387692), (8, 10193846), (13, 6273136), (16, 5096923), (17, 4797104), (26, 3136568), (34, 2398552), (52, 1568284), (68, 1199276), (104, 784142), (136, 599638), (208, 392071), (221, 369008), (272, 299819), (442, 184504), (884, 92252), (1768, 46126), (3536, 23063)]