207950990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{6373}}^1$

素因数の和:6644

約数の個数: 32

約数和(自身を含む): 404774496

約数和(自身を除く): 196823506

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1255, 2510, 3263, 6373, 6526, 12746, 16315, 31865, 32630, 63730, 82849, 165698, 414245, 828490, 1599623, 3199246, 7998115, 15996230, 20795099, 41590198, 103975495, 207950990]

約数ペア:

[(1, 207950990), (2, 103975495), (5, 41590198), (10, 20795099), (13, 15996230), (26, 7998115), (65, 3199246), (130, 1599623), (251, 828490), (502, 414245), (1255, 165698), (2510, 82849), (3263, 63730), (6373, 32630), (6526, 31865), (12746, 16315)]