13280144

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{28621}}^1$

素因数の和:28658

約数の個数: 20

約数和(自身を含む): 26618460

約数和(自身を除く): 13338316

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 28621, 57242, 114484, 228968, 457936, 830009, 1660018, 3320036, 6640072, 13280144]

約数ペア:

[(1, 13280144), (2, 6640072), (4, 3320036), (8, 1660018), (16, 830009), (29, 457936), (58, 228968), (116, 114484), (232, 57242), (464, 28621)]