7898645

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 9884160

約数和(自身を除く): 1985515

約数列:

[1, 5, 31, 131, 155, 389, 655, 1945, 4061, 12059, 20305, 50959, 60295, 254795, 1579729, 7898645]

約数ペア:

[(1, 7898645), (5, 1579729), (31, 254795), (131, 60295), (155, 50959), (389, 20305), (655, 12059), (1945, 4061)]