258398465

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 351008640

約数和(自身を除く): 92610175

約数列:

[1, 5, 13, 59, 65, 71, 73, 169, 295, 355, 365, 767, 845, 923, 949, 3835, 4189, 4307, 4615, 4745, 5183, 9971, 11999, 12337, 20945, 21535, 25915, 49855, 54457, 55991, 59995, 61685, 67379, 272285, 279955, 305797, 336895, 707941, 727883, 875927, 1528985, 3539705, 3639415, 3975361, 4379635, 19876805, 51679693, 258398465]

約数ペア:

[(1, 258398465), (5, 51679693), (13, 19876805), (59, 4379635), (65, 3975361), (71, 3639415), (73, 3539705), (169, 1528985), (295, 875927), (355, 727883), (365, 707941), (767, 336895), (845, 305797), (923, 279955), (949, 272285), (3835, 67379), (4189, 61685), (4307, 59995), (4615, 55991), (4745, 54457), (5183, 49855), (9971, 25915), (11999, 21535), (12337, 20945)]