664695512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{947}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 1426209120

約数和(自身を除く): 761513608

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 397, 442, 794, 884, 947, 1588, 1768, 1894, 3176, 3788, 5161, 6749, 7576, 10322, 12311, 13498, 16099, 20644, 24622, 26996, 32198, 41288, 49244, 53992, 64396, 87737, 98488, 128792, 175474, 209287, 350948, 375959, 418574, 701896, 751918, 837148, 1503836, 1674296, 3007672, 4887467, 6391303, 9774934, 12782606, 19549868, 25565212, 39099736, 51130424, 83086939, 166173878, 332347756, 664695512]

約数ペア:

[(1, 664695512), (2, 332347756), (4, 166173878), (8, 83086939), (13, 51130424), (17, 39099736), (26, 25565212), (34, 19549868), (52, 12782606), (68, 9774934), (104, 6391303), (136, 4887467), (221, 3007672), (397, 1674296), (442, 1503836), (794, 837148), (884, 751918), (947, 701896), (1588, 418574), (1768, 375959), (1894, 350948), (3176, 209287), (3788, 175474), (5161, 128792), (6749, 98488), (7576, 87737), (10322, 64396), (12311, 53992), (13498, 49244), (16099, 41288), (20644, 32198), (24622, 26996)]