388127844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2089}}^1$

素因数の和:2509

約数の個数: 72

約数和(自身を含む): 1059738680

約数和(自身を除く): 671610836

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 397, 468, 794, 1191, 1588, 2089, 2382, 3573, 4178, 4764, 5161, 6267, 7146, 8356, 10322, 12534, 14292, 15483, 18801, 20644, 25068, 27157, 30966, 37602, 46449, 54314, 61932, 75204, 81471, 92898, 108628, 162942, 185796, 244413, 325884, 488826, 829333, 977652, 1658666, 2487999, 3317332, 4975998, 7463997, 9951996, 10781329, 14927994, 21562658, 29855988, 32343987, 43125316, 64687974, 97031961, 129375948, 194063922, 388127844]

約数ペア:

[(1, 388127844), (2, 194063922), (3, 129375948), (4, 97031961), (6, 64687974), (9, 43125316), (12, 32343987), (13, 29855988), (18, 21562658), (26, 14927994), (36, 10781329), (39, 9951996), (52, 7463997), (78, 4975998), (117, 3317332), (156, 2487999), (234, 1658666), (397, 977652), (468, 829333), (794, 488826), (1191, 325884), (1588, 244413), (2089, 185796), (2382, 162942), (3573, 108628), (4178, 92898), (4764, 81471), (5161, 75204), (6267, 61932), (7146, 54314), (8356, 46449), (10322, 37602), (12534, 30966), (14292, 27157), (15483, 25068), (18801, 20644)]