156780485

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{21521}}^1$

素因数の和:21604

約数の個数: 16

約数和(自身を含む): 198346752

約数和(自身を除く): 41566267

約数列:

[1, 5, 31, 47, 155, 235, 1457, 7285, 21521, 107605, 667151, 1011487, 3335755, 5057435, 31356097, 156780485]

約数ペア:

[(1, 156780485), (5, 31356097), (31, 5057435), (47, 3335755), (155, 1011487), (235, 667151), (1457, 107605), (7285, 21521)]