258889456

素因数分解:

$2^4\times 7^1\times {\mathrm{2311513}}^1$

素因数の和:2311528

約数の個数: 20

約数和(自身を含む): 573255472

約数和(自身を除く): 314366016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2311513, 4623026, 9246052, 16180591, 18492104, 32361182, 36984208, 64722364, 129444728, 258889456]

約数ペア:

[(1, 258889456), (2, 129444728), (4, 64722364), (7, 36984208), (8, 32361182), (14, 18492104), (16, 16180591), (28, 9246052), (56, 4623026), (112, 2311513)]