280236438

素因数分解:

$2^1\times 3^2\times {\mathrm{823}}^1\times {\mathrm{18917}}^1$

素因数の和:19748

約数の個数: 24

約数和(自身を含む): 607948848

約数和(自身を除く): 327712410

約数列:

[1, 2, 3, 6, 9, 18, 823, 1646, 2469, 4938, 7407, 14814, 18917, 37834, 56751, 113502, 170253, 340506, 15568691, 31137382, 46706073, 93412146, 140118219, 280236438]

約数ペア:

[(1, 280236438), (2, 140118219), (3, 93412146), (6, 46706073), (9, 31137382), (18, 15568691), (823, 340506), (1646, 170253), (2469, 113502), (4938, 56751), (7407, 37834), (14814, 18917)]