890254508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{4001}}^1$

素因数の和:4418

約数の個数: 48

約数和(自身を含む): 1835477280

約数和(自身を除く): 945222772

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 389, 572, 778, 1556, 4001, 4279, 5057, 8002, 8558, 10114, 16004, 17116, 20228, 44011, 52013, 55627, 88022, 104026, 111254, 176044, 208052, 222508, 572143, 1144286, 1556389, 2288572, 3112778, 6225556, 17120279, 20233057, 34240558, 40466114, 68481116, 80932228, 222563627, 445127254, 890254508]

約数ペア:

[(1, 890254508), (2, 445127254), (4, 222563627), (11, 80932228), (13, 68481116), (22, 40466114), (26, 34240558), (44, 20233057), (52, 17120279), (143, 6225556), (286, 3112778), (389, 2288572), (572, 1556389), (778, 1144286), (1556, 572143), (4001, 222508), (4279, 208052), (5057, 176044), (8002, 111254), (8558, 104026), (10114, 88022), (16004, 55627), (17116, 52013), (20228, 44011)]