71807216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{345227}}^1$

素因数の和:345248

約数の個数: 20

約数和(自身を含む): 149828952

約数和(自身を除く): 78021736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 345227, 690454, 1380908, 2761816, 4487951, 5523632, 8975902, 17951804, 35903608, 71807216]

約数ペア:

[(1, 71807216), (2, 35903608), (4, 17951804), (8, 8975902), (13, 5523632), (16, 4487951), (26, 2761816), (52, 1380908), (104, 690454), (208, 345227)]