155998975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 225699840

約数和(自身を除く): 69700865

約数列:

[1, 5, 11, 25, 29, 31, 55, 145, 155, 275, 319, 341, 631, 725, 775, 899, 1595, 1705, 3155, 4495, 6941, 7975, 8525, 9889, 15775, 18299, 19561, 22475, 34705, 49445, 91495, 97805, 173525, 201289, 215171, 247225, 457475, 489025, 567269, 1006445, 1075855, 2836345, 5032225, 5379275, 6239959, 14181725, 31199795, 155998975]

約数ペア:

[(1, 155998975), (5, 31199795), (11, 14181725), (25, 6239959), (29, 5379275), (31, 5032225), (55, 2836345), (145, 1075855), (155, 1006445), (275, 567269), (319, 489025), (341, 457475), (631, 247225), (725, 215171), (775, 201289), (899, 173525), (1595, 97805), (1705, 91495), (3155, 49445), (4495, 34705), (6941, 22475), (7975, 19561), (8525, 18299), (9889, 15775)]