78931696

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{45259}}^1$

素因数の和:45376

約数の個数: 20

約数和(自身を含む): 154336600

約数和(自身を除く): 75404904

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 45259, 90518, 181036, 362072, 724144, 4933231, 9866462, 19732924, 39465848, 78931696]

約数ペア:

[(1, 78931696), (2, 39465848), (4, 19732924), (8, 9866462), (16, 4933231), (109, 724144), (218, 362072), (436, 181036), (872, 90518), (1744, 45259)]