278420545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{104473}}^1$

素因数の和:104532

約数の個数: 16

約数和(自身を含む): 368584272

約数和(自身を除く): 90163727

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 104473, 522365, 1358149, 4283393, 6790745, 21416965, 55684109, 278420545]

約数ペア:

[(1, 278420545), (5, 55684109), (13, 21416965), (41, 6790745), (65, 4283393), (205, 1358149), (533, 522365), (2665, 104473)]