201181805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 276203520

約数和(自身を除く): 75021715

約数列:

[1, 5, 11, 23, 55, 115, 253, 359, 443, 1265, 1795, 2215, 3949, 4873, 8257, 10189, 19745, 24365, 41285, 50945, 90827, 112079, 159037, 454135, 560395, 795185, 1749407, 3657851, 8747035, 18289255, 40236361, 201181805]

約数ペア:

[(1, 201181805), (5, 40236361), (11, 18289255), (23, 8747035), (55, 3657851), (115, 1749407), (253, 795185), (359, 560395), (443, 454135), (1265, 159037), (1795, 112079), (2215, 90827), (3949, 50945), (4873, 41285), (8257, 24365), (10189, 19745)]