15764728

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1429}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 33976800

約数和(自身を除く): 18212072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1429, 1576, 2758, 2858, 5516, 5716, 10003, 11032, 11432, 20006, 40012, 80024, 281513, 563026, 1126052, 1970591, 2252104, 3941182, 7882364, 15764728]

約数ペア:

[(1, 15764728), (2, 7882364), (4, 3941182), (7, 2252104), (8, 1970591), (14, 1126052), (28, 563026), (56, 281513), (197, 80024), (394, 40012), (788, 20006), (1379, 11432), (1429, 11032), (1576, 10003), (2758, 5716), (2858, 5516)]