78490042

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{3947}}^1$

素因数の和:4173

約数の個数: 16

約数和(自身を含む): 120429792

約数和(自身を除く): 41939750

約数列:

[1, 2, 61, 122, 163, 326, 3947, 7894, 9943, 19886, 240767, 481534, 643361, 1286722, 39245021, 78490042]

約数ペア:

[(1, 78490042), (2, 39245021), (61, 1286722), (122, 643361), (163, 481534), (326, 240767), (3947, 19886), (7894, 9943)]