221466905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 315261072

約数和(自身を除く): 93794167

約数列:

[1, 5, 11, 17, 55, 61, 85, 121, 187, 305, 353, 605, 671, 935, 1037, 1765, 2057, 3355, 3883, 5185, 6001, 7381, 10285, 11407, 19415, 21533, 30005, 36905, 42713, 57035, 66011, 107665, 125477, 213565, 236863, 330055, 366061, 627385, 726121, 1184315, 1830305, 2605493, 3630605, 4026671, 13027465, 20133355, 44293381, 221466905]

約数ペア:

[(1, 221466905), (5, 44293381), (11, 20133355), (17, 13027465), (55, 4026671), (61, 3630605), (85, 2605493), (121, 1830305), (187, 1184315), (305, 726121), (353, 627385), (605, 366061), (671, 330055), (935, 236863), (1037, 213565), (1765, 125477), (2057, 107665), (3355, 66011), (3883, 57035), (5185, 42713), (6001, 36905), (7381, 30005), (10285, 21533), (11407, 19415)]