81427178

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{342131}}^1$

素因数の和:342157

約数の個数: 16

約数和(自身を含む): 147801024

約数和(自身を除く): 66373846

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 342131, 684262, 2394917, 4789834, 5816227, 11632454, 40713589, 81427178]

約数ペア:

[(1, 81427178), (2, 40713589), (7, 11632454), (14, 5816227), (17, 4789834), (34, 2394917), (119, 684262), (238, 342131)]