28801136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 69662208

約数和(自身を除く): 40861072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 131, 151, 182, 208, 262, 302, 364, 524, 604, 728, 917, 1048, 1057, 1208, 1456, 1703, 1834, 1963, 2096, 2114, 2416, 3406, 3668, 3926, 4228, 6812, 7336, 7852, 8456, 11921, 13624, 13741, 14672, 15704, 16912, 19781, 23842, 27248, 27482, 31408, 39562, 47684, 54964, 79124, 95368, 109928, 138467, 158248, 190736, 219856, 257153, 276934, 316496, 514306, 553868, 1028612, 1107736, 1800071, 2057224, 2215472, 3600142, 4114448, 7200284, 14400568, 28801136]

約数ペア:

[(1, 28801136), (2, 14400568), (4, 7200284), (7, 4114448), (8, 3600142), (13, 2215472), (14, 2057224), (16, 1800071), (26, 1107736), (28, 1028612), (52, 553868), (56, 514306), (91, 316496), (104, 276934), (112, 257153), (131, 219856), (151, 190736), (182, 158248), (208, 138467), (262, 109928), (302, 95368), (364, 79124), (524, 54964), (604, 47684), (728, 39562), (917, 31408), (1048, 27482), (1057, 27248), (1208, 23842), (1456, 19781), (1703, 16912), (1834, 15704), (1963, 14672), (2096, 13741), (2114, 13624), (2416, 11921), (3406, 8456), (3668, 7852), (3926, 7336), (4228, 6812)]