214969820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{826807}}^1$

素因数の和:826829

約数の個数: 24

約数和(自身を含む): 486163104

約数和(自身を除く): 271193284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 826807, 1653614, 3307228, 4134035, 8268070, 10748491, 16536140, 21496982, 42993964, 53742455, 107484910, 214969820]

約数ペア:

[(1, 214969820), (2, 107484910), (4, 53742455), (5, 42993964), (10, 21496982), (13, 16536140), (20, 10748491), (26, 8268070), (52, 4134035), (65, 3307228), (130, 1653614), (260, 826807)]