84178108

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 174215104

約数和(自身を除く): 90036996

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 193, 259, 386, 421, 518, 772, 842, 1036, 1351, 1684, 2702, 2947, 5404, 5894, 7141, 11788, 14282, 15577, 28564, 31154, 49987, 62308, 81253, 99974, 109039, 162506, 199948, 218078, 325012, 436156, 568771, 1137542, 2275084, 3006361, 6012722, 12025444, 21044527, 42089054, 84178108]

約数ペア:

[(1, 84178108), (2, 42089054), (4, 21044527), (7, 12025444), (14, 6012722), (28, 3006361), (37, 2275084), (74, 1137542), (148, 568771), (193, 436156), (259, 325012), (386, 218078), (421, 199948), (518, 162506), (772, 109039), (842, 99974), (1036, 81253), (1351, 62308), (1684, 49987), (2702, 31154), (2947, 28564), (5404, 15577), (5894, 14282), (7141, 11788)]