161613216

素因数分解:

$2^5\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1997}}^1$

素因数の和:2294

約数の個数: 72

約数和(自身を含む): 461454084

約数和(自身を除く): 299840868

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 281, 288, 562, 843, 1124, 1686, 1997, 2248, 2529, 3372, 3994, 4496, 5058, 5991, 6744, 7988, 8992, 10116, 11982, 13488, 15976, 17973, 20232, 23964, 26976, 31952, 35946, 40464, 47928, 63904, 71892, 80928, 95856, 143784, 191712, 287568, 561157, 575136, 1122314, 1683471, 2244628, 3366942, 4489256, 5050413, 6733884, 8978512, 10100826, 13467768, 17957024, 20201652, 26935536, 40403304, 53871072, 80806608, 161613216]

約数ペア:

[(1, 161613216), (2, 80806608), (3, 53871072), (4, 40403304), (6, 26935536), (8, 20201652), (9, 17957024), (12, 13467768), (16, 10100826), (18, 8978512), (24, 6733884), (32, 5050413), (36, 4489256), (48, 3366942), (72, 2244628), (96, 1683471), (144, 1122314), (281, 575136), (288, 561157), (562, 287568), (843, 191712), (1124, 143784), (1686, 95856), (1997, 80928), (2248, 71892), (2529, 63904), (3372, 47928), (3994, 40464), (4496, 35946), (5058, 31952), (5991, 26976), (6744, 23964), (7988, 20232), (8992, 17973), (10116, 15976), (11982, 13488)]