79881818

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1\times {\mathrm{1163}}^1$

素因数の和:1789

約数の個数: 16

約数和(自身を含む): 122108256

約数和(自身を除く): 42226438

約数列:

[1, 2, 61, 122, 563, 1126, 1163, 2326, 34343, 68686, 70943, 141886, 654769, 1309538, 39940909, 79881818]

約数ペア:

[(1, 79881818), (2, 39940909), (61, 1309538), (122, 654769), (563, 141886), (1126, 70943), (1163, 68686), (2326, 34343)]