1991974864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{9377}}^1$

素因数の和:9484

約数の個数: 80

約数和(自身を含む): 4521246336

約数和(自身を除く): 2529271472

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 71, 88, 136, 142, 176, 187, 272, 284, 374, 568, 748, 781, 1136, 1207, 1496, 1562, 2414, 2992, 3124, 4828, 6248, 9377, 9656, 12496, 13277, 18754, 19312, 26554, 37508, 53108, 75016, 103147, 106216, 150032, 159409, 206294, 212432, 318818, 412588, 637636, 665767, 825176, 1275272, 1331534, 1650352, 1753499, 2550544, 2663068, 3506998, 5326136, 7013996, 7323437, 10652272, 11318039, 14027992, 14646874, 22636078, 28055984, 29293748, 45272156, 58587496, 90544312, 117174992, 124498429, 181088624, 248996858, 497993716, 995987432, 1991974864]

約数ペア:

[(1, 1991974864), (2, 995987432), (4, 497993716), (8, 248996858), (11, 181088624), (16, 124498429), (17, 117174992), (22, 90544312), (34, 58587496), (44, 45272156), (68, 29293748), (71, 28055984), (88, 22636078), (136, 14646874), (142, 14027992), (176, 11318039), (187, 10652272), (272, 7323437), (284, 7013996), (374, 5326136), (568, 3506998), (748, 2663068), (781, 2550544), (1136, 1753499), (1207, 1650352), (1496, 1331534), (1562, 1275272), (2414, 825176), (2992, 665767), (3124, 637636), (4828, 412588), (6248, 318818), (9377, 212432), (9656, 206294), (12496, 159409), (13277, 150032), (18754, 106216), (19312, 103147), (26554, 75016), (37508, 53108)]