81213581

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 87605760

約数和(自身を除く): 6392179

約数列:

[1, 19, 67, 131, 487, 1273, 2489, 8777, 9253, 32629, 63797, 166763, 619951, 1212143, 4274399, 81213581]

約数ペア:

[(1, 81213581), (19, 4274399), (67, 1212143), (131, 619951), (487, 166763), (1273, 63797), (2489, 32629), (8777, 9253)]