161963996834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{122263}}^1$

素因数の和:122846

約数の個数: 32

約数和(自身を含む): 259864796160

約数和(自身を除く): 97900799326

約数列:

[1, 2, 19, 38, 71, 142, 491, 982, 1349, 2698, 9329, 18658, 34861, 69722, 122263, 244526, 662359, 1324718, 2322997, 4645994, 8680673, 17361346, 60031133, 120062266, 164932787, 329865574, 1140591527, 2281183054, 4262210443, 8524420886, 80981998417, 161963996834]

約数ペア:

[(1, 161963996834), (2, 80981998417), (19, 8524420886), (38, 4262210443), (71, 2281183054), (142, 1140591527), (491, 329865574), (982, 164932787), (1349, 120062266), (2698, 60031133), (9329, 17361346), (18658, 8680673), (34861, 4645994), (69722, 2322997), (122263, 1324718), (244526, 662359)]