254199505

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 367168464

約数和(自身を除く): 112968959

約数列:

[1, 5, 7, 35, 49, 61, 73, 233, 245, 305, 365, 427, 511, 1165, 1631, 2135, 2555, 2989, 3577, 4453, 8155, 11417, 14213, 14945, 17009, 17885, 22265, 31171, 57085, 71065, 85045, 99491, 119063, 155855, 218197, 497455, 595315, 696437, 833441, 1037549, 1090985, 3482185, 4167205, 5187745, 7262843, 36314215, 50839901, 254199505]

約数ペア:

[(1, 254199505), (5, 50839901), (7, 36314215), (35, 7262843), (49, 5187745), (61, 4167205), (73, 3482185), (233, 1090985), (245, 1037549), (305, 833441), (365, 696437), (427, 595315), (511, 497455), (1165, 218197), (1631, 155855), (2135, 119063), (2555, 99491), (2989, 85045), (3577, 71065), (4453, 57085), (8155, 31171), (11417, 22265), (14213, 17885), (14945, 17009)]