72187856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347057}}^1$

素因数の和:347078

約数の個数: 20

約数和(自身を含む): 150623172

約数和(自身を除く): 78435316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347057, 694114, 1388228, 2776456, 4511741, 5552912, 9023482, 18046964, 36093928, 72187856]

約数ペア:

[(1, 72187856), (2, 36093928), (4, 18046964), (8, 9023482), (13, 5552912), (16, 4511741), (26, 2776456), (52, 1388228), (104, 694114), (208, 347057)]