1320985655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1\times {\mathrm{853}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 1780446528

約数和(自身を除く): 459460873

約数列:

[1, 5, 11, 37, 55, 185, 407, 761, 853, 2035, 3805, 4265, 8371, 9383, 28157, 31561, 41855, 46915, 140785, 157805, 309727, 347171, 649133, 1548635, 1735855, 3245665, 7140463, 24017921, 35702315, 120089605, 264197131, 1320985655]

約数ペア:

[(1, 1320985655), (5, 264197131), (11, 120089605), (37, 35702315), (55, 24017921), (185, 7140463), (407, 3245665), (761, 1735855), (853, 1548635), (2035, 649133), (3805, 347171), (4265, 309727), (8371, 157805), (9383, 140785), (28157, 46915), (31561, 41855)]