126380212

素因数分解:

$2^2\times 7^2\times {\mathrm{644797}}^1$

素因数の和:644815

約数の個数: 18

約数和(自身を含む): 257274402

約数和(自身を除く): 130894190

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 644797, 1289594, 2579188, 4513579, 9027158, 18054316, 31595053, 63190106, 126380212]

約数ペア:

[(1, 126380212), (2, 63190106), (4, 31595053), (7, 18054316), (14, 9027158), (28, 4513579), (49, 2579188), (98, 1289594), (196, 644797)]