289373318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{81239}}^1$

素因数の和:81391

約数の個数: 16

約数和(自身を含む): 470867040

約数和(自身を除く): 181493722

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 81239, 162478, 1056107, 2112214, 11129743, 22259486, 144686659, 289373318]

約数ペア:

[(1, 289373318), (2, 144686659), (13, 22259486), (26, 11129743), (137, 2112214), (274, 1056107), (1781, 162478), (3562, 81239)]