268637070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{688813}}^1$

素因数の和:688836

約数の個数: 32

約数和(自身を含む): 694324512

約数和(自身を除く): 425687442

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 688813, 1377626, 2066439, 3444065, 4132878, 6888130, 8954569, 10332195, 17909138, 20664390, 26863707, 44772845, 53727414, 89545690, 134318535, 268637070]

約数ペア:

[(1, 268637070), (2, 134318535), (3, 89545690), (5, 53727414), (6, 44772845), (10, 26863707), (13, 20664390), (15, 17909138), (26, 10332195), (30, 8954569), (39, 6888130), (65, 4132878), (78, 3444065), (130, 2066439), (195, 1377626), (390, 688813)]