217331890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1\times {\mathrm{751}}^1$

素因数の和:1474

約数の個数: 32

約数和(自身を含む): 401423616

約数和(自身を除く): 184091726

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 673, 751, 1346, 1502, 3365, 3755, 6730, 7510, 28939, 32293, 57878, 64586, 144695, 161465, 289390, 322930, 505423, 1010846, 2527115, 5054230, 21733189, 43466378, 108665945, 217331890]

約数ペア:

[(1, 217331890), (2, 108665945), (5, 43466378), (10, 21733189), (43, 5054230), (86, 2527115), (215, 1010846), (430, 505423), (673, 322930), (751, 289390), (1346, 161465), (1502, 144695), (3365, 64586), (3755, 57878), (6730, 32293), (7510, 28939)]