201691930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{42641}}^1$

素因数の和:42702

約数の個数: 32

約数和(自身を含む): 405269568

約数和(自身を除く): 203577638

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 42641, 85282, 213205, 426410, 469051, 938102, 1833563, 2345255, 3667126, 4690510, 9167815, 18335630, 20169193, 40338386, 100845965, 201691930]

約数ペア:

[(1, 201691930), (2, 100845965), (5, 40338386), (10, 20169193), (11, 18335630), (22, 9167815), (43, 4690510), (55, 3667126), (86, 2345255), (110, 1833563), (215, 938102), (430, 469051), (473, 426410), (946, 213205), (2365, 85282), (4730, 42641)]