311937724

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{12149}}^1$

素因数の和:12298

約数の個数: 36

約数和(自身を含む): 639916200

約数和(自身を除く): 327978476

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1834, 3668, 6419, 12149, 12838, 24298, 25676, 48596, 85043, 170086, 340172, 595301, 1190602, 1591519, 2381204, 3183038, 6366076, 11140633, 22281266, 44562532, 77984431, 155968862, 311937724]

約数ペア:

[(1, 311937724), (2, 155968862), (4, 77984431), (7, 44562532), (14, 22281266), (28, 11140633), (49, 6366076), (98, 3183038), (131, 2381204), (196, 1591519), (262, 1190602), (524, 595301), (917, 340172), (1834, 170086), (3668, 85043), (6419, 48596), (12149, 25676), (12838, 24298)]