31243992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 84672000

約数和(自身を除く): 53428008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 239, 312, 419, 478, 717, 838, 956, 1257, 1434, 1676, 1912, 2514, 2868, 3107, 3352, 5028, 5447, 5736, 6214, 9321, 10056, 10894, 12428, 16341, 18642, 21788, 24856, 32682, 37284, 43576, 65364, 74568, 100141, 130728, 200282, 300423, 400564, 600846, 801128, 1201692, 1301833, 2403384, 2603666, 3905499, 5207332, 7810998, 10414664, 15621996, 31243992]

約数ペア:

[(1, 31243992), (2, 15621996), (3, 10414664), (4, 7810998), (6, 5207332), (8, 3905499), (12, 2603666), (13, 2403384), (24, 1301833), (26, 1201692), (39, 801128), (52, 600846), (78, 400564), (104, 300423), (156, 200282), (239, 130728), (312, 100141), (419, 74568), (478, 65364), (717, 43576), (838, 37284), (956, 32682), (1257, 24856), (1434, 21788), (1676, 18642), (1912, 16341), (2514, 12428), (2868, 10894), (3107, 10056), (3352, 9321), (5028, 6214), (5447, 5736)]