208311896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2328

約数の個数: 64

約数和(自身を含む): 452390400

約数和(自身を除く): 244078504

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 247, 376, 494, 611, 893, 988, 1222, 1786, 1976, 2243, 2444, 3572, 4486, 4888, 7144, 8972, 11609, 17944, 23218, 29159, 42617, 46436, 58318, 85234, 92872, 105421, 116636, 170468, 210842, 233272, 340936, 421684, 554021, 843368, 1108042, 1370473, 2002999, 2216084, 2740946, 4005998, 4432168, 5481892, 8011996, 10963784, 16023992, 26038987, 52077974, 104155948, 208311896]

約数ペア:

[(1, 208311896), (2, 104155948), (4, 52077974), (8, 26038987), (13, 16023992), (19, 10963784), (26, 8011996), (38, 5481892), (47, 4432168), (52, 4005998), (76, 2740946), (94, 2216084), (104, 2002999), (152, 1370473), (188, 1108042), (247, 843368), (376, 554021), (494, 421684), (611, 340936), (893, 233272), (988, 210842), (1222, 170468), (1786, 116636), (1976, 105421), (2243, 92872), (2444, 85234), (3572, 58318), (4486, 46436), (4888, 42617), (7144, 29159), (8972, 23218), (11609, 17944)]