81394144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195659}}^1$

素因数の和:195682

約数の個数: 24

約数和(自身を含む): 172572120

約数和(自身を除く): 91177976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195659, 391318, 782636, 1565272, 2543567, 3130544, 5087134, 6261088, 10174268, 20348536, 40697072, 81394144]

約数ペア:

[(1, 81394144), (2, 40697072), (4, 20348536), (8, 10174268), (13, 6261088), (16, 5087134), (26, 3130544), (32, 2543567), (52, 1565272), (104, 782636), (208, 391318), (416, 195659)]