397316514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{178489}}^1$

素因数の和:178554

約数の個数: 32

約数和(自身を含む): 925292160

約数和(自身を除く): 527975646

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 178489, 356978, 535467, 1070934, 1249423, 2498846, 3748269, 7496538, 9459917, 18919834, 28379751, 56759502, 66219419, 132438838, 198658257, 397316514]

約数ペア:

[(1, 397316514), (2, 198658257), (3, 132438838), (6, 66219419), (7, 56759502), (14, 28379751), (21, 18919834), (42, 9459917), (53, 7496538), (106, 3748269), (159, 2498846), (318, 1249423), (371, 1070934), (742, 535467), (1113, 356978), (2226, 178489)]