6640401238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2461231}}^1$

素因数の和:2461323

約数の個数: 16

約数和(自身を含む): 10632522240

約数和(自身を除く): 3992121002

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 2461231, 4922462, 46763389, 93526778, 174747401, 349494802, 3320200619, 6640401238]

約数ペア:

[(1, 6640401238), (2, 3320200619), (19, 349494802), (38, 174747401), (71, 93526778), (142, 46763389), (1349, 4922462), (2698, 2461231)]