25866604

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 46252080

約数和(自身を除く): 20385476

約数列:

[1, 2, 4, 89, 113, 178, 226, 356, 452, 643, 1286, 2572, 10057, 20114, 40228, 57227, 72659, 114454, 145318, 228908, 290636, 6466651, 12933302, 25866604]

約数ペア:

[(1, 25866604), (2, 12933302), (4, 6466651), (89, 290636), (113, 228908), (178, 145318), (226, 114454), (356, 72659), (452, 57227), (643, 40228), (1286, 20114), (2572, 10057)]