3958075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 5513040

約数和(自身を除く): 1554965

約数列:

[1, 5, 11, 25, 37, 55, 185, 275, 389, 407, 925, 1945, 2035, 4279, 9725, 10175, 14393, 21395, 71965, 106975, 158323, 359825, 791615, 3958075]

約数ペア:

[(1, 3958075), (5, 791615), (11, 359825), (25, 158323), (37, 106975), (55, 71965), (185, 21395), (275, 14393), (389, 10175), (407, 9725), (925, 4279), (1945, 2035)]