8989901285

素因数分解:

$5^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 11504892672

約数和(自身を除く): 2514991387

約数列:

[1, 5, 37, 41, 103, 185, 205, 311, 515, 1369, 1517, 1555, 3811, 4223, 6845, 7585, 11507, 12751, 19055, 21115, 32033, 56129, 57535, 63755, 141007, 156251, 160165, 280645, 425759, 471787, 705035, 781255, 1185221, 1313353, 2128795, 2358935, 5781287, 5926105, 6566765, 17456119, 28906435, 43853177, 48594061, 87280595, 219265885, 242970305, 1797980257, 8989901285]

約数ペア:

[(1, 8989901285), (5, 1797980257), (37, 242970305), (41, 219265885), (103, 87280595), (185, 48594061), (205, 43853177), (311, 28906435), (515, 17456119), (1369, 6566765), (1517, 5926105), (1555, 5781287), (3811, 2358935), (4223, 2128795), (6845, 1313353), (7585, 1185221), (11507, 781255), (12751, 705035), (19055, 471787), (21115, 425759), (32033, 280645), (56129, 160165), (57535, 156251), (63755, 141007)]