28061436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 72125424

約数和(自身を除く): 44063988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 101, 137, 156, 169, 202, 274, 303, 338, 404, 411, 507, 548, 606, 676, 822, 1014, 1212, 1313, 1644, 1781, 2028, 2626, 3562, 3939, 5252, 5343, 7124, 7878, 10686, 13837, 15756, 17069, 21372, 23153, 27674, 34138, 41511, 46306, 51207, 55348, 68276, 69459, 83022, 92612, 102414, 138918, 166044, 179881, 204828, 277836, 359762, 539643, 719524, 1079286, 2158572, 2338453, 4676906, 7015359, 9353812, 14030718, 28061436]

約数ペア:

[(1, 28061436), (2, 14030718), (3, 9353812), (4, 7015359), (6, 4676906), (12, 2338453), (13, 2158572), (26, 1079286), (39, 719524), (52, 539643), (78, 359762), (101, 277836), (137, 204828), (156, 179881), (169, 166044), (202, 138918), (274, 102414), (303, 92612), (338, 83022), (404, 69459), (411, 68276), (507, 55348), (548, 51207), (606, 46306), (676, 41511), (822, 34138), (1014, 27674), (1212, 23153), (1313, 21372), (1644, 17069), (1781, 15756), (2028, 13837), (2626, 10686), (3562, 7878), (3939, 7124), (5252, 5343)]