2078459019

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2003}}^1$

素因数の和:2217

約数の個数: 72

約数和(自身を含む): 3783688272

約数和(自身を除く): 1705229253

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 181, 273, 441, 543, 637, 819, 1267, 1629, 1911, 2003, 2353, 3801, 5733, 6009, 7059, 8869, 11403, 14021, 16471, 18027, 21177, 26039, 26607, 42063, 49413, 78117, 79821, 98147, 115297, 126189, 148239, 182273, 234351, 294441, 345891, 362543, 546819, 883323, 1037673, 1087629, 1275911, 1640457, 2537801, 3262887, 3827733, 4713059, 7613403, 11483199, 14139177, 17764607, 22840209, 32991413, 42417531, 53293821, 98974239, 159881463, 230939891, 296922717, 692819673, 2078459019]

約数ペア:

[(1, 2078459019), (3, 692819673), (7, 296922717), (9, 230939891), (13, 159881463), (21, 98974239), (39, 53293821), (49, 42417531), (63, 32991413), (91, 22840209), (117, 17764607), (147, 14139177), (181, 11483199), (273, 7613403), (441, 4713059), (543, 3827733), (637, 3262887), (819, 2537801), (1267, 1640457), (1629, 1275911), (1911, 1087629), (2003, 1037673), (2353, 883323), (3801, 546819), (5733, 362543), (6009, 345891), (7059, 294441), (8869, 234351), (11403, 182273), (14021, 148239), (16471, 126189), (18027, 115297), (21177, 98147), (26039, 79821), (26607, 78117), (42063, 49413)]