138739384

素因数分解:

$2^3\times 7^4\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 314608320

約数和(自身を除く): 175868936

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 233, 248, 343, 392, 434, 466, 686, 868, 932, 1372, 1519, 1631, 1736, 1864, 2401, 2744, 3038, 3262, 4802, 6076, 6524, 7223, 9604, 10633, 11417, 12152, 13048, 14446, 19208, 21266, 22834, 28892, 42532, 45668, 50561, 57784, 74431, 79919, 85064, 91336, 101122, 148862, 159838, 202244, 297724, 319676, 353927, 404488, 559433, 595448, 639352, 707854, 1118866, 1415708, 2237732, 2477489, 2831416, 4475464, 4954978, 9909956, 17342423, 19819912, 34684846, 69369692, 138739384]

約数ペア:

[(1, 138739384), (2, 69369692), (4, 34684846), (7, 19819912), (8, 17342423), (14, 9909956), (28, 4954978), (31, 4475464), (49, 2831416), (56, 2477489), (62, 2237732), (98, 1415708), (124, 1118866), (196, 707854), (217, 639352), (233, 595448), (248, 559433), (343, 404488), (392, 353927), (434, 319676), (466, 297724), (686, 202244), (868, 159838), (932, 148862), (1372, 101122), (1519, 91336), (1631, 85064), (1736, 79919), (1864, 74431), (2401, 57784), (2744, 50561), (3038, 45668), (3262, 42532), (4802, 28892), (6076, 22834), (6524, 21266), (7223, 19208), (9604, 14446), (10633, 13048), (11417, 12152)]