161565664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20441}}^1$

素因数の和:20483

約数の個数: 48

約数和(自身を含む): 360596880

約数和(自身を除く): 199031216

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 20441, 40882, 81764, 163528, 265733, 327056, 388379, 531466, 654112, 776758, 1062932, 1553516, 2125864, 3107032, 4251728, 5048927, 6214064, 8503456, 10097854, 12428128, 20195708, 40391416, 80782832, 161565664]

約数ペア:

[(1, 161565664), (2, 80782832), (4, 40391416), (8, 20195708), (13, 12428128), (16, 10097854), (19, 8503456), (26, 6214064), (32, 5048927), (38, 4251728), (52, 3107032), (76, 2125864), (104, 1553516), (152, 1062932), (208, 776758), (247, 654112), (304, 531466), (416, 388379), (494, 327056), (608, 265733), (988, 163528), (1976, 81764), (3952, 40882), (7904, 20441)]