81965330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20963}}^1$

素因数の和:21010

約数の個数: 32

約数和(自身を含む): 163016064

約数和(自身を除く): 81050734

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 20963, 41926, 104815, 209630, 356371, 482149, 712742, 964298, 1781855, 2410745, 3563710, 4821490, 8196533, 16393066, 40982665, 81965330]

約数ペア:

[(1, 81965330), (2, 40982665), (5, 16393066), (10, 8196533), (17, 4821490), (23, 3563710), (34, 2410745), (46, 1781855), (85, 964298), (115, 712742), (170, 482149), (230, 356371), (391, 209630), (782, 104815), (1955, 41926), (3910, 20963)]