2581870291

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1061}}^1$

素因数の和:1133

約数の個数: 72

約数和(自身を含む): 3722114592

約数和(自身を除く): 1140244301

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 121, 143, 169, 187, 221, 847, 1001, 1061, 1183, 1309, 1547, 1573, 1859, 2057, 2431, 2873, 7427, 11011, 11671, 13013, 13793, 14399, 17017, 18037, 20111, 20449, 26741, 31603, 81697, 96551, 126259, 128381, 143143, 151723, 179309, 187187, 198407, 221221, 234481, 347633, 898667, 1062061, 1255163, 1388849, 1641367, 1668953, 1972399, 2182477, 2433431, 2579291, 3048253, 11682671, 13806793, 15277339, 18055037, 21337771, 21696389, 28372201, 33530783, 151874723, 198605407, 234715481, 368838613, 2581870291]

約数ペア:

[(1, 2581870291), (7, 368838613), (11, 234715481), (13, 198605407), (17, 151874723), (77, 33530783), (91, 28372201), (119, 21696389), (121, 21337771), (143, 18055037), (169, 15277339), (187, 13806793), (221, 11682671), (847, 3048253), (1001, 2579291), (1061, 2433431), (1183, 2182477), (1309, 1972399), (1547, 1668953), (1573, 1641367), (1859, 1388849), (2057, 1255163), (2431, 1062061), (2873, 898667), (7427, 347633), (11011, 234481), (11671, 221221), (13013, 198407), (13793, 187187), (14399, 179309), (17017, 151723), (18037, 143143), (20111, 128381), (20449, 126259), (26741, 96551), (31603, 81697)]