1205.000000

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{5261}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 1105020

約数和(自身を除く): 557876

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 5261, 10522, 21044, 42088, 68393, 136786, 273572, 547144]

約数ペア:

[(1, 547144), (2, 273572), (4, 136786), (8, 68393), (13, 42088), (26, 21044), (52, 10522), (104, 5261)]