49721815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 70652736

約数和(自身を除く): 20930921

約数列:

[1, 5, 11, 13, 55, 65, 143, 197, 353, 715, 985, 1765, 2167, 2561, 3883, 4589, 10835, 12805, 19415, 22945, 28171, 50479, 69541, 140855, 252395, 347705, 764951, 904033, 3824755, 4520165, 9944363, 49721815]

約数ペア:

[(1, 49721815), (5, 9944363), (11, 4520165), (13, 3824755), (55, 904033), (65, 764951), (143, 347705), (197, 252395), (353, 140855), (715, 69541), (985, 50479), (1765, 28171), (2167, 22945), (2561, 19415), (3883, 12805), (4589, 10835)]