171291235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 232751232

約数和(自身を除く): 61459997

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 697, 943, 1955, 2137, 3485, 4715, 10685, 16031, 36329, 49151, 80155, 87617, 181645, 245755, 438085, 835567, 1489489, 2015191, 4177835, 7447445, 10075955, 34258247, 171291235]

約数ペア:

[(1, 171291235), (5, 34258247), (17, 10075955), (23, 7447445), (41, 4177835), (85, 2015191), (115, 1489489), (205, 835567), (391, 438085), (697, 245755), (943, 181645), (1955, 87617), (2137, 80155), (3485, 49151), (4715, 36329), (10685, 16031)]