161249868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2713}}^1$

素因数の和:2863

約数の個数: 72

約数和(自身を含む): 442577408

約数和(自身を除く): 281327540

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 381, 468, 508, 762, 1143, 1524, 1651, 2286, 2713, 3302, 4572, 4953, 5426, 6604, 8139, 9906, 10852, 14859, 16278, 19812, 24417, 29718, 32556, 35269, 48834, 59436, 70538, 97668, 105807, 141076, 211614, 317421, 344551, 423228, 634842, 689102, 1033653, 1269684, 1378204, 2067306, 3100959, 4134612, 4479163, 6201918, 8958326, 12403836, 13437489, 17916652, 26874978, 40312467, 53749956, 80624934, 161249868]

約数ペア:

[(1, 161249868), (2, 80624934), (3, 53749956), (4, 40312467), (6, 26874978), (9, 17916652), (12, 13437489), (13, 12403836), (18, 8958326), (26, 6201918), (36, 4479163), (39, 4134612), (52, 3100959), (78, 2067306), (117, 1378204), (127, 1269684), (156, 1033653), (234, 689102), (254, 634842), (381, 423228), (468, 344551), (508, 317421), (762, 211614), (1143, 141076), (1524, 105807), (1651, 97668), (2286, 70538), (2713, 59436), (3302, 48834), (4572, 35269), (4953, 32556), (5426, 29718), (6604, 24417), (8139, 19812), (9906, 16278), (10852, 14859)]