72017776

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{104677}}^1$

素因数の和:104728

約数の個数: 20

約数和(自身を含む): 142780792

約数和(自身を除く): 70763016

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 104677, 209354, 418708, 837416, 1674832, 4501111, 9002222, 18004444, 36008888, 72017776]

約数ペア:

[(1, 72017776), (2, 36008888), (4, 18004444), (8, 9002222), (16, 4501111), (43, 1674832), (86, 837416), (172, 418708), (344, 209354), (688, 104677)]