71643686

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{1297}}^1$

素因数の和:1759

約数の個数: 16

約数和(自身を含む): 109343520

約数和(自身を除く): 37699834

約数列:

[1, 2, 71, 142, 389, 778, 1297, 2594, 27619, 55238, 92087, 184174, 504533, 1009066, 35821843, 71643686]

約数ペア:

[(1, 71643686), (2, 35821843), (71, 1009066), (142, 504533), (389, 184174), (778, 92087), (1297, 55238), (2594, 27619)]