28258828

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2459}}^1$

素因数の和:2506

約数の個数: 36

約数和(自身を含む): 56722680

約数和(自身を除く): 28463852

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 2459, 2873, 4918, 5746, 9836, 11492, 31967, 41803, 63934, 83606, 127868, 167212, 415571, 543439, 831142, 1086878, 1662284, 2173756, 7064707, 14129414, 28258828]

約数ペア:

[(1, 28258828), (2, 14129414), (4, 7064707), (13, 2173756), (17, 1662284), (26, 1086878), (34, 831142), (52, 543439), (68, 415571), (169, 167212), (221, 127868), (338, 83606), (442, 63934), (676, 41803), (884, 31967), (2459, 11492), (2873, 9836), (4918, 5746)]