261566970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1245557}}^1$

素因数の和:1245574

約数の個数: 32

約数和(自身を含む): 717441408

約数和(自身を除く): 455874438

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1245557, 2491114, 3736671, 6227785, 7473342, 8718899, 12455570, 17437798, 18683355, 26156697, 37366710, 43594495, 52313394, 87188990, 130783485, 261566970]

約数ペア:

[(1, 261566970), (2, 130783485), (3, 87188990), (5, 52313394), (6, 43594495), (7, 37366710), (10, 26156697), (14, 18683355), (15, 17437798), (21, 12455570), (30, 8718899), (35, 7473342), (42, 6227785), (70, 3736671), (105, 2491114), (210, 1245557)]