80673964

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 165614400

約数和(自身を除く): 84940436

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 149, 244, 298, 317, 427, 596, 634, 854, 1043, 1268, 1708, 2086, 2219, 4172, 4438, 8876, 9089, 18178, 19337, 36356, 38674, 47233, 63623, 77348, 94466, 127246, 135359, 188932, 254492, 270718, 330631, 541436, 661262, 1322524, 2881213, 5762426, 11524852, 20168491, 40336982, 80673964]

約数ペア:

[(1, 80673964), (2, 40336982), (4, 20168491), (7, 11524852), (14, 5762426), (28, 2881213), (61, 1322524), (122, 661262), (149, 541436), (244, 330631), (298, 270718), (317, 254492), (427, 188932), (596, 135359), (634, 127246), (854, 94466), (1043, 77348), (1268, 63623), (1708, 47233), (2086, 38674), (2219, 36356), (4172, 19337), (4438, 18178), (8876, 9089)]