257424

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 690432

約数和(自身を除く): 433008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 173, 186, 248, 346, 372, 496, 519, 692, 744, 1038, 1384, 1488, 2076, 2768, 4152, 5363, 8304, 10726, 16089, 21452, 32178, 42904, 64356, 85808, 128712, 257424]

約数ペア:

[(1, 257424), (2, 128712), (3, 85808), (4, 64356), (6, 42904), (8, 32178), (12, 21452), (16, 16089), (24, 10726), (31, 8304), (48, 5363), (62, 4152), (93, 2768), (124, 2076), (173, 1488), (186, 1384), (248, 1038), (346, 744), (372, 692), (496, 519)]