201656845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 269660160

約数和(自身を除く): 68003315

約数列:

[1, 5, 13, 37, 65, 185, 191, 439, 481, 955, 2195, 2405, 2483, 5707, 7067, 12415, 16243, 28535, 35335, 81215, 83849, 91871, 211159, 419245, 459355, 1055795, 1090037, 3102413, 5450185, 15512065, 40331369, 201656845]

約数ペア:

[(1, 201656845), (5, 40331369), (13, 15512065), (37, 5450185), (65, 3102413), (185, 1090037), (191, 1055795), (439, 459355), (481, 419245), (955, 211159), (2195, 91871), (2405, 83849), (2483, 81215), (5707, 35335), (7067, 28535), (12415, 16243)]