81491068

素因数分解:

$2^2\times {\mathrm{73}}^2\times {\mathrm{3823}}^1$

素因数の和:3973

約数の個数: 18

約数和(自身を含む): 144627504

約数和(自身を除く): 63136436

約数列:

[1, 2, 4, 73, 146, 292, 3823, 5329, 7646, 10658, 15292, 21316, 279079, 558158, 1116316, 20372767, 40745534, 81491068]

約数ペア:

[(1, 81491068), (2, 40745534), (4, 20372767), (73, 1116316), (146, 558158), (292, 279079), (3823, 21316), (5329, 15292), (7646, 10658)]