256971434

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{4283}}^1$

素因数の和:4645

約数の個数: 16

約数和(自身を含む): 390186720

約数和(自身を除く): 133215286

約数列:

[1, 2, 131, 229, 262, 458, 4283, 8566, 29999, 59998, 561073, 980807, 1122146, 1961614, 128485717, 256971434]

約数ペア:

[(1, 256971434), (2, 128485717), (131, 1961614), (229, 1122146), (262, 980807), (458, 561073), (4283, 59998), (8566, 29999)]