1640217189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{136993}}^1$

素因数の和:137316

約数の個数: 16

約数和(自身を含む): 2362872512

約数和(自身を除く): 722655323

約数列:

[1, 3, 13, 39, 307, 921, 3991, 11973, 136993, 410979, 1780909, 5342727, 42056851, 126170553, 546739063, 1640217189]

約数ペア:

[(1, 1640217189), (3, 546739063), (13, 126170553), (39, 42056851), (307, 5342727), (921, 1780909), (3991, 410979), (11973, 136993)]