28714595

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{283}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 42749952

約数和(自身を除く): 14035357

約数列:

[1, 5, 7, 13, 35, 65, 91, 223, 283, 455, 1115, 1415, 1561, 1981, 2899, 3679, 7805, 9905, 14495, 18395, 20293, 25753, 63109, 101465, 128765, 315545, 441763, 820417, 2208815, 4102085, 5742919, 28714595]

約数ペア:

[(1, 28714595), (5, 5742919), (7, 4102085), (13, 2208815), (35, 820417), (65, 441763), (91, 315545), (223, 128765), (283, 101465), (455, 63109), (1115, 25753), (1415, 20293), (1561, 18395), (1981, 14495), (2899, 9905), (3679, 7805)]