291239502086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2137}}^1\times {\mathrm{40013}}^1$

素因数の和:42296

約数の個数: 32

約数和(自身を含む): 474288823008

約数和(自身を除く): 183049320922

約数列:

[1, 2, 13, 26, 131, 262, 1703, 2137, 3406, 4274, 27781, 40013, 55562, 80026, 279947, 520169, 559894, 1040338, 3639311, 5241703, 7278622, 10483406, 68142139, 85507781, 136284278, 171015562, 1111601153, 2223202306, 11201519311, 22403038622, 145619751043, 291239502086]

約数ペア:

[(1, 291239502086), (2, 145619751043), (13, 22403038622), (26, 11201519311), (131, 2223202306), (262, 1111601153), (1703, 171015562), (2137, 136284278), (3406, 85507781), (4274, 68142139), (27781, 10483406), (40013, 7278622), (55562, 5241703), (80026, 3639311), (279947, 1040338), (520169, 559894)]