42121690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{709}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 81945360

約数和(自身を除く): 39823670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 457, 709, 914, 1418, 2285, 3545, 4570, 5941, 7090, 9217, 11882, 18434, 29705, 46085, 59410, 92170, 324013, 648026, 1620065, 3240130, 4212169, 8424338, 21060845, 42121690]

約数ペア:

[(1, 42121690), (2, 21060845), (5, 8424338), (10, 4212169), (13, 3240130), (26, 1620065), (65, 648026), (130, 324013), (457, 92170), (709, 59410), (914, 46085), (1418, 29705), (2285, 18434), (3545, 11882), (4570, 9217), (5941, 7090)]