209914922

素因数分解:

$2^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{2609}}^1$

素因数の和:3446

約数の個数: 24

約数和(自身を含む): 366866820

約数和(自身を除く): 156951898

約数列:

[1, 2, 7, 14, 49, 98, 821, 1642, 2609, 5218, 5747, 11494, 18263, 36526, 40229, 80458, 127841, 255682, 2141989, 4283978, 14993923, 29987846, 104957461, 209914922]

約数ペア:

[(1, 209914922), (2, 104957461), (7, 29987846), (14, 14993923), (49, 4283978), (98, 2141989), (821, 255682), (1642, 127841), (2609, 80458), (5218, 40229), (5747, 36526), (11494, 18263)]