249994004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{90709}}^1$

素因数の和:90779

約数の個数: 24

約数和(自身を含む): 480037320

約数和(自身を除く): 230043316

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 90709, 181418, 362836, 1179217, 2358434, 4716868, 4807577, 9615154, 19230308, 62498501, 124997002, 249994004]

約数ペア:

[(1, 249994004), (2, 124997002), (4, 62498501), (13, 19230308), (26, 9615154), (52, 4807577), (53, 4716868), (106, 2358434), (212, 1179217), (689, 362836), (1378, 181418), (2756, 90709)]