64720118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{21559}}^1$

素因数の和:21659

約数の個数: 16

約数和(自身を含む): 103488000

約数和(自身を除く): 38767882

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 21559, 43118, 409621, 819242, 1703161, 3406322, 32360059, 64720118]

約数ペア:

[(1, 64720118), (2, 32360059), (19, 3406322), (38, 1703161), (79, 819242), (158, 409621), (1501, 43118), (3002, 21559)]