2080221269

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 2725871616

約数和(自身を除く): 645650347

約数列:

[1, 7, 17, 23, 47, 103, 119, 157, 161, 329, 391, 721, 799, 1081, 1099, 1751, 2369, 2669, 2737, 3611, 4841, 5593, 7379, 7567, 12257, 16171, 16583, 18377, 18683, 25277, 33887, 40273, 51653, 61387, 82297, 111343, 113197, 125443, 128639, 169717, 274907, 281911, 371933, 429709, 576079, 760037, 779401, 878101, 1188019, 1892831, 1924349, 2603531, 2885189, 5320259, 6322861, 12920629, 13249817, 17480851, 20196323, 44260027, 90444403, 122365957, 297174467, 2080221269]

約数ペア:

[(1, 2080221269), (7, 297174467), (17, 122365957), (23, 90444403), (47, 44260027), (103, 20196323), (119, 17480851), (157, 13249817), (161, 12920629), (329, 6322861), (391, 5320259), (721, 2885189), (799, 2603531), (1081, 1924349), (1099, 1892831), (1751, 1188019), (2369, 878101), (2669, 779401), (2737, 760037), (3611, 576079), (4841, 429709), (5593, 371933), (7379, 281911), (7567, 274907), (12257, 169717), (16171, 128639), (16583, 125443), (18377, 113197), (18683, 111343), (25277, 82297), (33887, 61387), (40273, 51653)]