161461990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{811}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 298400256

約数和(自身を除く): 136938266

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 463, 811, 926, 1622, 2315, 4055, 4630, 8110, 19909, 34873, 39818, 69746, 99545, 174365, 199090, 348730, 375493, 750986, 1877465, 3754930, 16146199, 32292398, 80730995, 161461990]

約数ペア:

[(1, 161461990), (2, 80730995), (5, 32292398), (10, 16146199), (43, 3754930), (86, 1877465), (215, 750986), (430, 375493), (463, 348730), (811, 199090), (926, 174365), (1622, 99545), (2315, 69746), (4055, 39818), (4630, 34873), (8110, 19909)]