257710109995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1\times {\mathrm{3557}}^1$

素因数の和:4144

約数の個数: 64

約数和(自身を含む): 355705499520

約数和(自身を除く): 97995389525

約数列:

[1, 5, 13, 17, 65, 85, 173, 221, 379, 865, 1105, 1895, 2249, 2941, 3557, 4927, 6443, 11245, 14705, 17785, 24635, 32215, 38233, 46241, 60469, 65567, 83759, 191165, 231205, 302345, 327835, 418795, 615361, 786097, 852371, 1114639, 1348103, 3076805, 3930485, 4261855, 5573195, 6740515, 7999693, 10461137, 14490307, 17525339, 22917751, 39998465, 52305685, 72451535, 87626695, 114588755, 135994781, 233221819, 297930763, 679973905, 1166109095, 1489653815, 3031883647, 3964770923, 15159418235, 19823854615, 51542021999, 257710109995]

約数ペア:

[(1, 257710109995), (5, 51542021999), (13, 19823854615), (17, 15159418235), (65, 3964770923), (85, 3031883647), (173, 1489653815), (221, 1166109095), (379, 679973905), (865, 297930763), (1105, 233221819), (1895, 135994781), (2249, 114588755), (2941, 87626695), (3557, 72451535), (4927, 52305685), (6443, 39998465), (11245, 22917751), (14705, 17525339), (17785, 14490307), (24635, 10461137), (32215, 7999693), (38233, 6740515), (46241, 5573195), (60469, 4261855), (65567, 3930485), (83759, 3076805), (191165, 1348103), (231205, 1114639), (302345, 852371), (327835, 786097), (418795, 615361)]