161257896

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{11369}}^1$

素因数の和:11578

約数の個数: 48

約数和(自身を含む): 438995700

約数和(自身を除く): 277737804

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1576, 1773, 2364, 3546, 4728, 7092, 11369, 14184, 22738, 34107, 45476, 68214, 90952, 102321, 136428, 204642, 272856, 409284, 818568, 2239693, 4479386, 6719079, 8958772, 13438158, 17917544, 20157237, 26876316, 40314474, 53752632, 80628948, 161257896]

約数ペア:

[(1, 161257896), (2, 80628948), (3, 53752632), (4, 40314474), (6, 26876316), (8, 20157237), (9, 17917544), (12, 13438158), (18, 8958772), (24, 6719079), (36, 4479386), (72, 2239693), (197, 818568), (394, 409284), (591, 272856), (788, 204642), (1182, 136428), (1576, 102321), (1773, 90952), (2364, 68214), (3546, 45476), (4728, 34107), (7092, 22738), (11369, 14184)]