81310652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{8167}}^1$

素因数の和:8321

約数の個数: 24

約数和(自身を含む): 150944640

約数和(自身を除く): 69633988

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 8167, 9956, 16334, 32668, 155173, 310346, 620692, 1069877, 2139754, 4279508, 20327663, 40655326, 81310652]

約数ペア:

[(1, 81310652), (2, 40655326), (4, 20327663), (19, 4279508), (38, 2139754), (76, 1069877), (131, 620692), (262, 310346), (524, 155173), (2489, 32668), (4978, 16334), (8167, 9956)]