217628398

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{433}}^1\times {\mathrm{1487}}^1$

素因数の和:1948

約数の個数: 24

約数和(自身を含む): 354539808

約数和(自身を除く): 136911410

約数列:

[1, 2, 13, 26, 169, 338, 433, 866, 1487, 2974, 5629, 11258, 19331, 38662, 73177, 146354, 251303, 502606, 643871, 1287742, 8370323, 16740646, 108814199, 217628398]

約数ペア:

[(1, 217628398), (2, 108814199), (13, 16740646), (26, 8370323), (169, 1287742), (338, 643871), (433, 502606), (866, 251303), (1487, 146354), (2974, 73177), (5629, 38662), (11258, 19331)]