201721208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{23369}}^1$

素因数の和:23471

約数の個数: 32

約数和(自身を含む): 412246800

約数和(自身を除く): 210525592

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 4316, 8632, 23369, 46738, 93476, 186952, 303797, 607594, 1215188, 1939627, 2430376, 3879254, 7758508, 15517016, 25215151, 50430302, 100860604, 201721208]

約数ペア:

[(1, 201721208), (2, 100860604), (4, 50430302), (8, 25215151), (13, 15517016), (26, 7758508), (52, 3879254), (83, 2430376), (104, 1939627), (166, 1215188), (332, 607594), (664, 303797), (1079, 186952), (2158, 93476), (4316, 46738), (8632, 23369)]