31331144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{719}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 63504000

約数和(自身を除く): 32172856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 419, 719, 838, 1438, 1676, 2876, 3352, 5447, 5752, 9347, 10894, 18694, 21788, 37388, 43576, 74776, 301261, 602522, 1205044, 2410088, 3916393, 7832786, 15665572, 31331144]

約数ペア:

[(1, 31331144), (2, 15665572), (4, 7832786), (8, 3916393), (13, 2410088), (26, 1205044), (52, 602522), (104, 301261), (419, 74776), (719, 43576), (838, 37388), (1438, 21788), (1676, 18694), (2876, 10894), (3352, 9347), (5447, 5752)]