72642128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{349241}}^1$

素因数の和:349262

約数の個数: 20

約数和(自身を含む): 151571028

約数和(自身を除く): 78928900

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 349241, 698482, 1396964, 2793928, 4540133, 5587856, 9080266, 18160532, 36321064, 72642128]

約数ペア:

[(1, 72642128), (2, 36321064), (4, 18160532), (8, 9080266), (13, 5587856), (16, 4540133), (26, 2793928), (52, 1396964), (104, 698482), (208, 349241)]