209670412

素因数分解:

$2^2\times 7^3\times {\mathrm{152821}}^1$

素因数の和:152846

約数の個数: 24

約数和(自身を含む): 427901600

約数和(自身を除く): 218231188

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 152821, 305642, 611284, 1069747, 2139494, 4278988, 7488229, 14976458, 29952916, 52417603, 104835206, 209670412]

約数ペア:

[(1, 209670412), (2, 104835206), (4, 52417603), (7, 29952916), (14, 14976458), (28, 7488229), (49, 4278988), (98, 2139494), (196, 1069747), (343, 611284), (686, 305642), (1372, 152821)]