26809825

素因数分解:

$5^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 38211840

約数和(自身を除く): 11402015

約数列:

[1, 5, 7, 25, 35, 175, 239, 641, 1195, 1673, 3205, 4487, 5975, 8365, 16025, 22435, 41825, 112175, 153199, 765995, 1072393, 3829975, 5361965, 26809825]

約数ペア:

[(1, 26809825), (5, 5361965), (7, 3829975), (25, 1072393), (35, 765995), (175, 153199), (239, 112175), (641, 41825), (1195, 22435), (1673, 16025), (3205, 8365), (4487, 5975)]