687332009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{77867}}^1$

素因数の和:77984

約数の個数: 16

約数和(自身を含む): 854679168

約数和(自身を除く): 167347159

約数列:

[1, 7, 13, 91, 97, 679, 1261, 8827, 77867, 545069, 1012271, 7085897, 7553099, 52871693, 98190287, 687332009]

約数ペア:

[(1, 687332009), (7, 98190287), (13, 52871693), (91, 7553099), (97, 7085897), (679, 1012271), (1261, 545069), (8827, 77867)]