17967930136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{722881}}^1$

素因数の和:723139

約数の個数: 32

約数和(自身を含む): 36433252800

約数和(自身を除く): 18465322664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 956, 1912, 3107, 6214, 12428, 24856, 722881, 1445762, 2891524, 5783048, 9397453, 18794906, 37589812, 75179624, 172768559, 345537118, 691074236, 1382148472, 2245991267, 4491982534, 8983965068, 17967930136]

約数ペア:

[(1, 17967930136), (2, 8983965068), (4, 4491982534), (8, 2245991267), (13, 1382148472), (26, 691074236), (52, 345537118), (104, 172768559), (239, 75179624), (478, 37589812), (956, 18794906), (1912, 9397453), (3107, 5783048), (6214, 2891524), (12428, 1445762), (24856, 722881)]