2019771635

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{1361}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 2804630400

約数和(自身を除く): 784858765

約数列:

[1, 5, 7, 35, 109, 389, 545, 763, 1361, 1945, 2723, 3815, 6805, 9527, 13615, 42401, 47635, 148349, 212005, 296807, 529429, 741745, 1038443, 1484035, 2647145, 3706003, 5192215, 18530015, 57707761, 288538805, 403954327, 2019771635]

約数ペア:

[(1, 2019771635), (5, 403954327), (7, 288538805), (35, 57707761), (109, 18530015), (389, 5192215), (545, 3706003), (763, 2647145), (1361, 1484035), (1945, 1038443), (2723, 741745), (3815, 529429), (6805, 296807), (9527, 212005), (13615, 148349), (42401, 47635)]