257218872

素因数分解:

$2^3\times 3^1\times {\mathrm{317}}^1\times {\mathrm{33809}}^1$

素因数の和:34135

約数の個数: 32

約数和(自身を含む): 645094800

約数和(自身を除く): 387875928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 317, 634, 951, 1268, 1902, 2536, 3804, 7608, 33809, 67618, 101427, 135236, 202854, 270472, 405708, 811416, 10717453, 21434906, 32152359, 42869812, 64304718, 85739624, 128609436, 257218872]

約数ペア:

[(1, 257218872), (2, 128609436), (3, 85739624), (4, 64304718), (6, 42869812), (8, 32152359), (12, 21434906), (24, 10717453), (317, 811416), (634, 405708), (951, 270472), (1268, 202854), (1902, 135236), (2536, 101427), (3804, 67618), (7608, 33809)]