31378828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1229}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 59305680

約数和(自身を除く): 27926852

約数列:

[1, 2, 4, 13, 26, 52, 491, 982, 1229, 1964, 2458, 4916, 6383, 12766, 15977, 25532, 31954, 63908, 603439, 1206878, 2413756, 7844707, 15689414, 31378828]

約数ペア:

[(1, 31378828), (2, 15689414), (4, 7844707), (13, 2413756), (26, 1206878), (52, 603439), (491, 63908), (982, 31954), (1229, 25532), (1964, 15977), (2458, 12766), (4916, 6383)]