81909772

素因数分解:

$2^2\times 7^3\times {\mathrm{227}}^1\times {\mathrm{263}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 168537600

約数和(自身を除く): 86627828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 227, 263, 343, 454, 526, 686, 908, 1052, 1372, 1589, 1841, 3178, 3682, 6356, 7364, 11123, 12887, 22246, 25774, 44492, 51548, 59701, 77861, 90209, 119402, 155722, 180418, 238804, 311444, 360836, 417907, 835814, 1671628, 2925349, 5850698, 11701396, 20477443, 40954886, 81909772]

約数ペア:

[(1, 81909772), (2, 40954886), (4, 20477443), (7, 11701396), (14, 5850698), (28, 2925349), (49, 1671628), (98, 835814), (196, 417907), (227, 360836), (263, 311444), (343, 238804), (454, 180418), (526, 155722), (686, 119402), (908, 90209), (1052, 77861), (1372, 59701), (1589, 51548), (1841, 44492), (3178, 25774), (3682, 22246), (6356, 12887), (7364, 11123)]