208565888

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 440640000

約数和(自身を除く): 232074112

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 191, 304, 382, 449, 608, 764, 898, 1216, 1528, 1796, 2432, 3056, 3592, 3629, 6112, 7184, 7258, 8531, 12224, 14368, 14516, 17062, 24448, 28736, 29032, 34124, 57472, 58064, 68248, 85759, 116128, 136496, 171518, 232256, 272992, 343036, 464512, 545984, 686072, 1091968, 1372144, 1629421, 2744288, 3258842, 5488576, 6517684, 10977152, 13035368, 26070736, 52141472, 104282944, 208565888]

約数ペア:

[(1, 208565888), (2, 104282944), (4, 52141472), (8, 26070736), (16, 13035368), (19, 10977152), (32, 6517684), (38, 5488576), (64, 3258842), (76, 2744288), (128, 1629421), (152, 1372144), (191, 1091968), (304, 686072), (382, 545984), (449, 464512), (608, 343036), (764, 272992), (898, 232256), (1216, 171518), (1528, 136496), (1796, 116128), (2432, 85759), (3056, 68248), (3592, 58064), (3629, 57472), (6112, 34124), (7184, 29032), (7258, 28736), (8531, 24448), (12224, 17062), (14368, 14516)]