78887644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:834

約数の個数: 36

約数和(自身を含む): 152497800

約数和(自身を除く): 73610156

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 389, 419, 484, 778, 838, 1556, 1676, 4279, 4609, 8558, 9218, 17116, 18436, 47069, 50699, 94138, 101398, 162991, 188276, 202796, 325982, 651964, 1792901, 3585802, 7171604, 19721911, 39443822, 78887644]

約数ペア:

[(1, 78887644), (2, 39443822), (4, 19721911), (11, 7171604), (22, 3585802), (44, 1792901), (121, 651964), (242, 325982), (389, 202796), (419, 188276), (484, 162991), (778, 101398), (838, 94138), (1556, 50699), (1676, 47069), (4279, 18436), (4609, 17116), (8558, 9218)]