78941878

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{2351}}^1$

素因数の和:2619

約数の個数: 16

約数和(自身を含む): 120347136

約数和(自身を除く): 41405258

約数列:

[1, 2, 103, 163, 206, 326, 2351, 4702, 16789, 33578, 242153, 383213, 484306, 766426, 39470939, 78941878]

約数ペア:

[(1, 78941878), (2, 39470939), (103, 766426), (163, 484306), (206, 383213), (326, 242153), (2351, 33578), (4702, 16789)]