642849318

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{28277}}^1$

素因数の和:28709

約数の個数: 32

約数和(自身を含む): 1431997920

約数和(自身を除く): 789148602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 842, 1263, 2526, 3789, 7578, 11367, 22734, 28277, 56554, 84831, 169662, 254493, 508986, 763479, 1526958, 11904617, 23809234, 35713851, 71427702, 107141553, 214283106, 321424659, 642849318]

約数ペア:

[(1, 642849318), (2, 321424659), (3, 214283106), (6, 107141553), (9, 71427702), (18, 35713851), (27, 23809234), (54, 11904617), (421, 1526958), (842, 763479), (1263, 508986), (2526, 254493), (3789, 169662), (7578, 84831), (11367, 56554), (22734, 28277)]