257676

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 609840

約数和(自身を除く): 352164

約数列:

[1, 2, 3, 4, 6, 12, 109, 197, 218, 327, 394, 436, 591, 654, 788, 1182, 1308, 2364, 21473, 42946, 64419, 85892, 128838, 257676]

約数ペア:

[(1, 257676), (2, 128838), (3, 85892), (4, 64419), (6, 42946), (12, 21473), (109, 2364), (197, 1308), (218, 1182), (327, 788), (394, 654), (436, 591)]