128771408

素因数分解:

$2^4\times {\mathrm{607}}^1\times {\mathrm{13259}}^1$

素因数の和:13874

約数の個数: 20

約数和(自身を含む): 249924480

約数和(自身を除く): 121153072

約数列:

[1, 2, 4, 8, 16, 607, 1214, 2428, 4856, 9712, 13259, 26518, 53036, 106072, 212144, 8048213, 16096426, 32192852, 64385704, 128771408]

約数ペア:

[(1, 128771408), (2, 64385704), (4, 32192852), (8, 16096426), (16, 8048213), (607, 212144), (1214, 106072), (2428, 53036), (4856, 26518), (9712, 13259)]