2789383681

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 3412039680

約数和(自身を除く): 622655999

約数列:

[1, 7, 17, 119, 223, 257, 409, 1561, 1799, 2863, 3791, 4369, 6953, 26537, 30583, 48671, 57311, 91207, 105113, 401177, 638449, 735791, 974287, 1550519, 1786921, 6820009, 10853633, 12508447, 23440199, 164081393, 398483383, 2789383681]

約数ペア:

[(1, 2789383681), (7, 398483383), (17, 164081393), (119, 23440199), (223, 12508447), (257, 10853633), (409, 6820009), (1561, 1786921), (1799, 1550519), (2863, 974287), (3791, 735791), (4369, 638449), (6953, 401177), (26537, 105113), (30583, 91207), (48671, 57311)]