491189530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1153}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 994563360

約数和(自身を除く): 503373830

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 113, 130, 145, 226, 290, 377, 565, 754, 1130, 1153, 1469, 1885, 2306, 2938, 3277, 3770, 5765, 6554, 7345, 11530, 14690, 14989, 16385, 29978, 32770, 33437, 42601, 66874, 74945, 85202, 130289, 149890, 167185, 213005, 260578, 334370, 426010, 434681, 651445, 869362, 1302890, 1693757, 2173405, 3387514, 3778381, 4346810, 7556762, 8468785, 16937570, 18891905, 37783810, 49118953, 98237906, 245594765, 491189530]

約数ペア:

[(1, 491189530), (2, 245594765), (5, 98237906), (10, 49118953), (13, 37783810), (26, 18891905), (29, 16937570), (58, 8468785), (65, 7556762), (113, 4346810), (130, 3778381), (145, 3387514), (226, 2173405), (290, 1693757), (377, 1302890), (565, 869362), (754, 651445), (1130, 434681), (1153, 426010), (1469, 334370), (1885, 260578), (2306, 213005), (2938, 167185), (3277, 149890), (3770, 130289), (5765, 85202), (6554, 74945), (7345, 66874), (11530, 42601), (14690, 33437), (14989, 32770), (16385, 29978)]