257428464

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1531}}^1$

素因数の和:1686

約数の個数: 80

約数和(自身を含む): 693003264

約数和(自身を除く): 435574800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 113, 124, 186, 226, 248, 339, 372, 452, 496, 678, 744, 904, 1356, 1488, 1531, 1808, 2712, 3062, 3503, 4593, 5424, 6124, 7006, 9186, 10509, 12248, 14012, 18372, 21018, 24496, 28024, 36744, 42036, 47461, 56048, 73488, 84072, 94922, 142383, 168144, 173003, 189844, 284766, 346006, 379688, 519009, 569532, 692012, 759376, 1038018, 1139064, 1384024, 2076036, 2278128, 2768048, 4152072, 5363093, 8304144, 10726186, 16089279, 21452372, 32178558, 42904744, 64357116, 85809488, 128714232, 257428464]

約数ペア:

[(1, 257428464), (2, 128714232), (3, 85809488), (4, 64357116), (6, 42904744), (8, 32178558), (12, 21452372), (16, 16089279), (24, 10726186), (31, 8304144), (48, 5363093), (62, 4152072), (93, 2768048), (113, 2278128), (124, 2076036), (186, 1384024), (226, 1139064), (248, 1038018), (339, 759376), (372, 692012), (452, 569532), (496, 519009), (678, 379688), (744, 346006), (904, 284766), (1356, 189844), (1488, 173003), (1531, 168144), (1808, 142383), (2712, 94922), (3062, 84072), (3503, 73488), (4593, 56048), (5424, 47461), (6124, 42036), (7006, 36744), (9186, 28024), (10509, 24496), (12248, 21018), (14012, 18372)]