281609195

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{887}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 396914688

約数和(自身を除く): 115305493

約数列:

[1, 5, 7, 35, 47, 193, 235, 329, 887, 965, 1351, 1645, 4435, 6209, 6755, 9071, 31045, 41689, 45355, 63497, 171191, 208445, 291823, 317485, 855955, 1198337, 1459115, 5991685, 8045977, 40229885, 56321839, 281609195]

約数ペア:

[(1, 281609195), (5, 56321839), (7, 40229885), (35, 8045977), (47, 5991685), (193, 1459115), (235, 1198337), (329, 855955), (887, 317485), (965, 291823), (1351, 208445), (1645, 171191), (4435, 63497), (6209, 45355), (6755, 41689), (9071, 31045)]