640999151

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{39541}}^1$

素因数の和:39626

約数の個数: 16

約数和(自身を含む): 730736160

約数和(自身を除く): 89737009

約数列:

[1, 13, 29, 43, 377, 559, 1247, 16211, 39541, 514033, 1146689, 1700263, 14906957, 22103419, 49307627, 640999151]

約数ペア:

[(1, 640999151), (13, 49307627), (29, 22103419), (43, 14906957), (377, 1700263), (559, 1146689), (1247, 514033), (16211, 39541)]