1645028

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 3696000

約数和(自身を除く): 2050972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 109, 154, 196, 218, 308, 343, 436, 539, 686, 763, 1078, 1199, 1372, 1526, 2156, 2398, 3052, 3773, 4796, 5341, 7546, 8393, 10682, 15092, 16786, 21364, 33572, 37387, 58751, 74774, 117502, 149548, 235004, 411257, 822514, 1645028]

約数ペア:

[(1, 1645028), (2, 822514), (4, 411257), (7, 235004), (11, 149548), (14, 117502), (22, 74774), (28, 58751), (44, 37387), (49, 33572), (77, 21364), (98, 16786), (109, 15092), (154, 10682), (196, 8393), (218, 7546), (308, 5341), (343, 4796), (436, 3773), (539, 3052), (686, 2398), (763, 2156), (1078, 1526), (1199, 1372)]