68789552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330719}}^1$

素因数の和:330740

約数の個数: 20

約数和(自身を含む): 143532480

約数和(自身を除く): 74742928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330719, 661438, 1322876, 2645752, 4299347, 5291504, 8598694, 17197388, 34394776, 68789552]

約数ペア:

[(1, 68789552), (2, 34394776), (4, 17197388), (8, 8598694), (13, 5291504), (16, 4299347), (26, 2645752), (52, 1322876), (104, 661438), (208, 330719)]