215390204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{28031}}^1$

素因数の和:28165

約数の個数: 24

約数和(自身を含む): 402651648

約数和(自身を除く): 187261444

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 3842, 7684, 28031, 56062, 112124, 476527, 953054, 1906108, 3167503, 6335006, 12670012, 53847551, 107695102, 215390204]

約数ペア:

[(1, 215390204), (2, 107695102), (4, 53847551), (17, 12670012), (34, 6335006), (68, 3167503), (113, 1906108), (226, 953054), (452, 476527), (1921, 112124), (3842, 56062), (7684, 28031)]