99720565

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40129}}^1$

素因数の和:40212

約数の個数: 16

約数和(自身を含む): 138689280

約数和(自身を除く): 38968715

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 40129, 200645, 280903, 1404515, 2849159, 14245795, 19944113, 99720565]

約数ペア:

[(1, 99720565), (5, 19944113), (7, 14245795), (35, 2849159), (71, 1404515), (355, 280903), (497, 200645), (2485, 40129)]