890308902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{9631}}^1$

素因数の和:9745

約数の個数: 64

約数和(自身を含む): 2130444288

約数和(自身を除く): 1240135386

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 71, 93, 142, 186, 213, 217, 426, 434, 497, 651, 994, 1302, 1491, 2201, 2982, 4402, 6603, 9631, 13206, 15407, 19262, 28893, 30814, 46221, 57786, 67417, 92442, 134834, 202251, 298561, 404502, 597122, 683801, 895683, 1367602, 1791366, 2051403, 2089927, 4102806, 4179854, 4786607, 6269781, 9573214, 12539562, 14359821, 21197831, 28719642, 42395662, 63593493, 127186986, 148384817, 296769634, 445154451, 890308902]

約数ペア:

[(1, 890308902), (2, 445154451), (3, 296769634), (6, 148384817), (7, 127186986), (14, 63593493), (21, 42395662), (31, 28719642), (42, 21197831), (62, 14359821), (71, 12539562), (93, 9573214), (142, 6269781), (186, 4786607), (213, 4179854), (217, 4102806), (426, 2089927), (434, 2051403), (497, 1791366), (651, 1367602), (994, 895683), (1302, 683801), (1491, 597122), (2201, 404502), (2982, 298561), (4402, 202251), (6603, 134834), (9631, 92442), (13206, 67417), (15407, 57786), (19262, 46221), (28893, 30814)]