16408810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 16685846

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 191, 242, 355, 382, 605, 710, 781, 955, 1210, 1562, 1910, 2101, 3905, 4202, 7810, 8591, 10505, 13561, 17182, 21010, 23111, 27122, 42955, 46222, 67805, 85910, 115555, 135610, 149171, 231110, 298342, 745855, 1491710, 1640881, 3281762, 8204405, 16408810]

約数ペア:

[(1, 16408810), (2, 8204405), (5, 3281762), (10, 1640881), (11, 1491710), (22, 745855), (55, 298342), (71, 231110), (110, 149171), (121, 135610), (142, 115555), (191, 85910), (242, 67805), (355, 46222), (382, 42955), (605, 27122), (710, 23111), (781, 21010), (955, 17182), (1210, 13561), (1562, 10505), (1910, 8591), (2101, 7810), (3905, 4202)]