30828265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 40846680

約数和(自身を除く): 10018415

約数列:

[1, 5, 13, 65, 73, 89, 365, 445, 949, 1157, 4745, 5329, 5785, 6497, 26645, 32485, 69277, 84461, 346385, 422305, 474281, 2371405, 6165653, 30828265]

約数ペア:

[(1, 30828265), (5, 6165653), (13, 2371405), (65, 474281), (73, 422305), (89, 346385), (365, 84461), (445, 69277), (949, 32485), (1157, 26645), (4745, 6497), (5329, 5785)]