89875775

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 127619808

約数和(自身を除く): 37744033

約数列:

[1, 5, 11, 25, 37, 55, 73, 121, 185, 275, 365, 407, 605, 803, 925, 1331, 1825, 2035, 2701, 3025, 4015, 4477, 6655, 8833, 10175, 13505, 20075, 22385, 29711, 33275, 44165, 49247, 67525, 97163, 111925, 148555, 220825, 246235, 326821, 485815, 742775, 1231175, 1634105, 2429075, 3595031, 8170525, 17975155, 89875775]

約数ペア:

[(1, 89875775), (5, 17975155), (11, 8170525), (25, 3595031), (37, 2429075), (55, 1634105), (73, 1231175), (121, 742775), (185, 485815), (275, 326821), (365, 246235), (407, 220825), (605, 148555), (803, 111925), (925, 97163), (1331, 67525), (1825, 49247), (2035, 44165), (2701, 33275), (3025, 29711), (4015, 22385), (4477, 20075), (6655, 13505), (8833, 10175)]