16978136

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2213}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 36663840

約数和(自身を除く): 19685704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 2213, 3836, 4426, 7672, 8852, 15491, 17704, 30982, 61964, 123928, 303181, 606362, 1212724, 2122267, 2425448, 4244534, 8489068, 16978136]

約数ペア:

[(1, 16978136), (2, 8489068), (4, 4244534), (7, 2425448), (8, 2122267), (14, 1212724), (28, 606362), (56, 303181), (137, 123928), (274, 61964), (548, 30982), (959, 17704), (1096, 15491), (1918, 8852), (2213, 7672), (3836, 4426)]