128215568

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{47417}}^1$

素因数の和:47451

約数の個数: 30

約数和(自身を含む): 269002314

約数和(自身を除く): 140786746

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 47417, 94834, 189668, 379336, 616421, 758672, 1232842, 2465684, 4931368, 8013473, 9862736, 16026946, 32053892, 64107784, 128215568]

約数ペア:

[(1, 128215568), (2, 64107784), (4, 32053892), (8, 16026946), (13, 9862736), (16, 8013473), (26, 4931368), (52, 2465684), (104, 1232842), (169, 758672), (208, 616421), (338, 379336), (676, 189668), (1352, 94834), (2704, 47417)]