28283801

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9455719

約数列:

[1, 7, 13, 17, 47, 91, 119, 221, 329, 389, 611, 799, 1547, 2723, 4277, 5057, 5593, 6613, 10387, 18283, 35399, 46291, 72709, 85969, 127981, 237679, 310811, 601783, 1663753, 2175677, 4040543, 28283801]

約数ペア:

[(1, 28283801), (7, 4040543), (13, 2175677), (17, 1663753), (47, 601783), (91, 310811), (119, 237679), (221, 127981), (329, 85969), (389, 72709), (611, 46291), (799, 35399), (1547, 18283), (2723, 10387), (4277, 6613), (5057, 5593)]