72912215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1973}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 92383200

約数和(自身を除く): 19470985

約数列:

[1, 5, 19, 95, 389, 1945, 1973, 7391, 9865, 36955, 37487, 187435, 767497, 3837485, 14582443, 72912215]

約数ペア:

[(1, 72912215), (5, 14582443), (19, 3837485), (95, 767497), (389, 187435), (1945, 37487), (1973, 36955), (7391, 9865)]