28480585

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 40407552

約数和(自身を除く): 11926967

約数列:

[1, 5, 7, 35, 71, 73, 157, 355, 365, 497, 511, 785, 1099, 2485, 2555, 5183, 5495, 11147, 11461, 25915, 36281, 55735, 57305, 78029, 80227, 181405, 390145, 401135, 813731, 4068655, 5696117, 28480585]

約数ペア:

[(1, 28480585), (5, 5696117), (7, 4068655), (35, 813731), (71, 401135), (73, 390145), (157, 181405), (355, 80227), (365, 78029), (497, 57305), (511, 55735), (785, 36281), (1099, 25915), (2485, 11461), (2555, 11147), (5183, 5495)]