28901615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4789}}^1$

素因数の和:4882

約数の個数: 16

約数和(自身を含む): 37247040

約数和(自身を除く): 8345425

約数列:

[1, 5, 17, 71, 85, 355, 1207, 4789, 6035, 23945, 81413, 340019, 407065, 1700095, 5780323, 28901615]

約数ペア:

[(1, 28901615), (5, 5780323), (17, 1700095), (71, 407065), (85, 340019), (355, 81413), (1207, 23945), (4789, 6035)]