25666005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 43763328

約数和(自身を除く): 18097323

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 401, 753, 1203, 1255, 2005, 3765, 4267, 6015, 6817, 12801, 20451, 21335, 34085, 64005, 100651, 102255, 301953, 503255, 1509765, 1711067, 5133201, 8555335, 25666005]

約数ペア:

[(1, 25666005), (3, 8555335), (5, 5133201), (15, 1711067), (17, 1509765), (51, 503255), (85, 301953), (251, 102255), (255, 100651), (401, 64005), (753, 34085), (1203, 21335), (1255, 20451), (2005, 12801), (3765, 6817), (4267, 6015)]