651472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2170

約数の個数: 20

約数和(自身を含む): 1329280

約数和(自身を除く): 677808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2143, 4286, 8572, 17144, 34288, 40717, 81434, 162868, 325736, 651472]

約数ペア:

[(1, 651472), (2, 325736), (4, 162868), (8, 81434), (16, 40717), (19, 34288), (38, 17144), (76, 8572), (152, 4286), (304, 2143)]