638195536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4261}}^1$

素因数の和:4340

約数の個数: 80

約数和(自身を含む): 1445943168

約数和(自身を除く): 807747632

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 37, 44, 46, 74, 88, 92, 148, 176, 184, 253, 296, 368, 407, 506, 592, 814, 851, 1012, 1628, 1702, 2024, 3256, 3404, 4048, 4261, 6512, 6808, 8522, 9361, 13616, 17044, 18722, 34088, 37444, 46871, 68176, 74888, 93742, 98003, 149776, 157657, 187484, 196006, 315314, 374968, 392012, 630628, 749936, 784024, 1078033, 1261256, 1568048, 1734227, 2156066, 2522512, 3468454, 3626111, 4312132, 6936908, 7252222, 8624264, 13873816, 14504444, 17248528, 27747632, 29008888, 39887221, 58017776, 79774442, 159548884, 319097768, 638195536]

約数ペア:

[(1, 638195536), (2, 319097768), (4, 159548884), (8, 79774442), (11, 58017776), (16, 39887221), (22, 29008888), (23, 27747632), (37, 17248528), (44, 14504444), (46, 13873816), (74, 8624264), (88, 7252222), (92, 6936908), (148, 4312132), (176, 3626111), (184, 3468454), (253, 2522512), (296, 2156066), (368, 1734227), (407, 1568048), (506, 1261256), (592, 1078033), (814, 784024), (851, 749936), (1012, 630628), (1628, 392012), (1702, 374968), (2024, 315314), (3256, 196006), (3404, 187484), (4048, 157657), (4261, 149776), (6512, 98003), (6808, 93742), (8522, 74888), (9361, 68176), (13616, 46871), (17044, 37444), (18722, 34088)]