257865936

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{173297}}^1$

素因数の和:173339

約数の個数: 40

約数和(自身を含む): 687646464

約数和(自身を除く): 429780528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 173297, 346594, 519891, 693188, 1039782, 1386376, 2079564, 2772752, 4159128, 5372207, 8318256, 10744414, 16116621, 21488828, 32233242, 42977656, 64466484, 85955312, 128932968, 257865936]

約数ペア:

[(1, 257865936), (2, 128932968), (3, 85955312), (4, 64466484), (6, 42977656), (8, 32233242), (12, 21488828), (16, 16116621), (24, 10744414), (31, 8318256), (48, 5372207), (62, 4159128), (93, 2772752), (124, 2079564), (186, 1386376), (248, 1039782), (372, 693188), (496, 519891), (744, 346594), (1488, 173297)]