257408866

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4813}}^1$

素因数の和:4867

約数の個数: 48

約数和(自身を含む): 484038072

約数和(自身を除く): 226629206

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 121, 143, 187, 221, 242, 286, 374, 442, 1573, 2057, 2431, 3146, 4114, 4813, 4862, 9626, 26741, 52943, 53482, 62569, 81821, 105886, 125138, 163642, 582373, 688259, 900031, 1063673, 1164746, 1376518, 1800062, 2127346, 7570849, 9900341, 11700403, 15141698, 19800682, 23400806, 128704433, 257408866]

約数ペア:

[(1, 257408866), (2, 128704433), (11, 23400806), (13, 19800682), (17, 15141698), (22, 11700403), (26, 9900341), (34, 7570849), (121, 2127346), (143, 1800062), (187, 1376518), (221, 1164746), (242, 1063673), (286, 900031), (374, 688259), (442, 582373), (1573, 163642), (2057, 125138), (2431, 105886), (3146, 81821), (4114, 62569), (4813, 53482), (4862, 52943), (9626, 26741)]