40641978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521051}}^1$

素因数の和:521069

約数の個数: 16

約数和(自身を含む): 87536736

約数和(自身を除く): 46894758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 521051, 1042102, 1563153, 3126306, 6773663, 13547326, 20320989, 40641978]

約数ペア:

[(1, 40641978), (2, 20320989), (3, 13547326), (6, 6773663), (13, 3126306), (26, 1563153), (39, 1042102), (78, 521051)]