208591728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{521}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 569606400

約数和(自身を除く): 361014672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 439, 456, 521, 878, 912, 1042, 1317, 1563, 1756, 2084, 2634, 3126, 3512, 4168, 5268, 6252, 7024, 8336, 8341, 9899, 10536, 12504, 16682, 19798, 21072, 25008, 25023, 29697, 33364, 39596, 50046, 59394, 66728, 79192, 100092, 118788, 133456, 158384, 200184, 228719, 237576, 400368, 457438, 475152, 686157, 914876, 1372314, 1829752, 2744628, 3659504, 4345661, 5489256, 8691322, 10978512, 13036983, 17382644, 26073966, 34765288, 52147932, 69530576, 104295864, 208591728]

約数ペア:

[(1, 208591728), (2, 104295864), (3, 69530576), (4, 52147932), (6, 34765288), (8, 26073966), (12, 17382644), (16, 13036983), (19, 10978512), (24, 8691322), (38, 5489256), (48, 4345661), (57, 3659504), (76, 2744628), (114, 1829752), (152, 1372314), (228, 914876), (304, 686157), (439, 475152), (456, 457438), (521, 400368), (878, 237576), (912, 228719), (1042, 200184), (1317, 158384), (1563, 133456), (1756, 118788), (2084, 100092), (2634, 79192), (3126, 66728), (3512, 59394), (4168, 50046), (5268, 39596), (6252, 33364), (7024, 29697), (8336, 25023), (8341, 25008), (9899, 21072), (10536, 19798), (12504, 16682)]