38877904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:887

約数の個数: 40

約数和(自身を含む): 81496520

約数和(自身を除く): 42618616

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409, 457, 818, 914, 1636, 1828, 3272, 3656, 5317, 5941, 6544, 7312, 10634, 11882, 21268, 23764, 42536, 47528, 85072, 95056, 186913, 373826, 747652, 1495304, 2429869, 2990608, 4859738, 9719476, 19438952, 38877904]

約数ペア:

[(1, 38877904), (2, 19438952), (4, 9719476), (8, 4859738), (13, 2990608), (16, 2429869), (26, 1495304), (52, 747652), (104, 373826), (208, 186913), (409, 95056), (457, 85072), (818, 47528), (914, 42536), (1636, 23764), (1828, 21268), (3272, 11882), (3656, 10634), (5317, 7312), (5941, 6544)]