81597115

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 107827200

約数和(自身を除く): 26230085

約数列:

[1, 5, 19, 31, 95, 103, 155, 269, 515, 589, 1345, 1957, 2945, 3193, 5111, 8339, 9785, 15965, 25555, 27707, 41695, 60667, 138535, 158441, 303335, 526433, 792205, 858917, 2632165, 4294585, 16319423, 81597115]

約数ペア:

[(1, 81597115), (5, 16319423), (19, 4294585), (31, 2632165), (95, 858917), (103, 792205), (155, 526433), (269, 303335), (515, 158441), (589, 138535), (1345, 60667), (1957, 41695), (2945, 27707), (3193, 25555), (5111, 15965), (8339, 9785)]