40251211

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 54835200

約数和(自身を除く): 14583989

約数列:

[1, 7, 11, 13, 77, 79, 91, 143, 509, 553, 869, 1001, 1027, 3563, 5599, 6083, 6617, 7189, 11297, 39193, 40211, 46319, 72787, 79079, 281477, 442321, 509509, 522743, 3096247, 3659201, 5750173, 40251211]

約数ペア:

[(1, 40251211), (7, 5750173), (11, 3659201), (13, 3096247), (77, 522743), (79, 509509), (91, 442321), (143, 281477), (509, 79079), (553, 72787), (869, 46319), (1001, 40211), (1027, 39193), (3563, 11297), (5599, 7189), (6083, 6617)]