72049328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{346391}}^1$

素因数の和:346412

約数の個数: 20

約数和(自身を含む): 150334128

約数和(自身を除く): 78284800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 346391, 692782, 1385564, 2771128, 4503083, 5542256, 9006166, 18012332, 36024664, 72049328]

約数ペア:

[(1, 72049328), (2, 36024664), (4, 18012332), (8, 9006166), (13, 5542256), (16, 4503083), (26, 2771128), (52, 1385564), (104, 692782), (208, 346391)]