7920385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 11290752

約数和(自身を除く): 3370367

約数列:

[1, 5, 11, 17, 43, 55, 85, 187, 197, 215, 473, 731, 935, 985, 2167, 2365, 3349, 3655, 8041, 8471, 10835, 16745, 36839, 40205, 42355, 93181, 144007, 184195, 465905, 720035, 1584077, 7920385]

約数ペア:

[(1, 7920385), (5, 1584077), (11, 720035), (17, 465905), (43, 184195), (55, 144007), (85, 93181), (187, 42355), (197, 40205), (215, 36839), (473, 16745), (731, 10835), (935, 8471), (985, 8041), (2167, 3655), (2365, 3349)]