289153928

素因数分解:

$2^3\times 7^1\times {\mathrm{997}}^1\times {\mathrm{5179}}^1$

素因数の和:6189

約数の個数: 32

約数和(自身を含む): 620356800

約数和(自身を除く): 331202872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 997, 1994, 3988, 5179, 6979, 7976, 10358, 13958, 20716, 27916, 36253, 41432, 55832, 72506, 145012, 290024, 5163463, 10326926, 20653852, 36144241, 41307704, 72288482, 144576964, 289153928]

約数ペア:

[(1, 289153928), (2, 144576964), (4, 72288482), (7, 41307704), (8, 36144241), (14, 20653852), (28, 10326926), (56, 5163463), (997, 290024), (1994, 145012), (3988, 72506), (5179, 55832), (6979, 41432), (7976, 36253), (10358, 27916), (13958, 20716)]