988393945

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^3\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 1524902400

約数和(自身を除く): 536508455

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 343, 385, 433, 539, 605, 847, 1331, 1715, 2165, 2695, 3031, 3773, 4235, 4763, 5929, 6655, 9317, 15155, 18865, 21217, 23815, 29645, 33341, 41503, 46585, 52393, 65219, 106085, 148519, 166705, 207515, 233387, 261965, 326095, 366751, 456533, 576323, 742595, 1166935, 1633709, 1833755, 2282665, 2567257, 2881615, 4034261, 8168545, 12836285, 17970799, 20171305, 28239827, 89853995, 141199135, 197678789, 988393945]

約数ペア:

[(1, 988393945), (5, 197678789), (7, 141199135), (11, 89853995), (35, 28239827), (49, 20171305), (55, 17970799), (77, 12836285), (121, 8168545), (245, 4034261), (343, 2881615), (385, 2567257), (433, 2282665), (539, 1833755), (605, 1633709), (847, 1166935), (1331, 742595), (1715, 576323), (2165, 456533), (2695, 366751), (3031, 326095), (3773, 261965), (4235, 233387), (4763, 207515), (5929, 166705), (6655, 148519), (9317, 106085), (15155, 65219), (18865, 52393), (21217, 46585), (23815, 41503), (29645, 33341)]