1988931804

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^2$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 4836408192

約数和(自身を除く): 2847476388

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 129, 142, 172, 213, 233, 258, 284, 426, 466, 516, 699, 852, 932, 1398, 2796, 3053, 6106, 9159, 10019, 12212, 16543, 18318, 20038, 30057, 33086, 36636, 40076, 49629, 54289, 60114, 66172, 99258, 108578, 120228, 162867, 198516, 217156, 325734, 651468, 711349, 1422698, 2134047, 2334427, 2845396, 3854519, 4268094, 4668854, 7003281, 7709038, 8536188, 9337708, 11563557, 14006562, 15418076, 23127114, 28013124, 46254228, 165744317, 331488634, 497232951, 662977268, 994465902, 1988931804]

約数ペア:

[(1, 1988931804), (2, 994465902), (3, 662977268), (4, 497232951), (6, 331488634), (12, 165744317), (43, 46254228), (71, 28013124), (86, 23127114), (129, 15418076), (142, 14006562), (172, 11563557), (213, 9337708), (233, 8536188), (258, 7709038), (284, 7003281), (426, 4668854), (466, 4268094), (516, 3854519), (699, 2845396), (852, 2334427), (932, 2134047), (1398, 1422698), (2796, 711349), (3053, 651468), (6106, 325734), (9159, 217156), (10019, 198516), (12212, 162867), (16543, 120228), (18318, 108578), (20038, 99258), (30057, 66172), (33086, 60114), (36636, 54289), (40076, 49629)]