28823158

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 27947402

約数列:

[1, 2, 7, 13, 14, 26, 29, 43, 58, 86, 91, 127, 182, 203, 254, 301, 377, 406, 559, 602, 754, 889, 1118, 1247, 1651, 1778, 2494, 2639, 3302, 3683, 3913, 5278, 5461, 7366, 7826, 8729, 10922, 11557, 16211, 17458, 23114, 25781, 32422, 38227, 47879, 51562, 70993, 76454, 95758, 113477, 141986, 158369, 226954, 316738, 335153, 496951, 670306, 993902, 1108583, 2058797, 2217166, 4117594, 14411579, 28823158]

約数ペア:

[(1, 28823158), (2, 14411579), (7, 4117594), (13, 2217166), (14, 2058797), (26, 1108583), (29, 993902), (43, 670306), (58, 496951), (86, 335153), (91, 316738), (127, 226954), (182, 158369), (203, 141986), (254, 113477), (301, 95758), (377, 76454), (406, 70993), (559, 51562), (602, 47879), (754, 38227), (889, 32422), (1118, 25781), (1247, 23114), (1651, 17458), (1778, 16211), (2494, 11557), (2639, 10922), (3302, 8729), (3683, 7826), (3913, 7366), (5278, 5461)]