28765516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{863}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 54359424

約数和(自身を除く): 25593908

約数列:

[1, 2, 4, 13, 26, 52, 641, 863, 1282, 1726, 2564, 3452, 8333, 11219, 16666, 22438, 33332, 44876, 553183, 1106366, 2212732, 7191379, 14382758, 28765516]

約数ペア:

[(1, 28765516), (2, 14382758), (4, 7191379), (13, 2212732), (26, 1106366), (52, 553183), (641, 44876), (863, 33332), (1282, 22438), (1726, 16666), (2564, 11219), (3452, 8333)]