9914905

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 16317504

約数和(自身を除く): 6402599

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 283, 385, 455, 539, 637, 715, 1001, 1415, 1981, 2695, 3113, 3185, 3679, 5005, 7007, 9905, 13867, 15565, 18395, 21791, 25753, 35035, 40469, 69335, 108955, 128765, 152537, 180271, 202345, 283283, 762685, 901355, 1416415, 1982981, 9914905]

約数ペア:

[(1, 9914905), (5, 1982981), (7, 1416415), (11, 901355), (13, 762685), (35, 283283), (49, 202345), (55, 180271), (65, 152537), (77, 128765), (91, 108955), (143, 69335), (245, 40469), (283, 35035), (385, 25753), (455, 21791), (539, 18395), (637, 15565), (715, 13867), (1001, 9905), (1415, 7007), (1981, 5005), (2695, 3679), (3113, 3185)]