209225665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 293764608

約数和(自身を除く): 84538943

約数列:

[1, 5, 11, 31, 41, 55, 73, 155, 205, 341, 365, 451, 803, 1271, 1681, 1705, 2255, 2263, 2993, 4015, 6355, 8405, 11315, 13981, 14965, 18491, 24893, 32923, 52111, 69905, 92455, 92783, 122713, 124465, 164615, 260555, 463915, 573221, 613565, 1020613, 1349843, 2866105, 3804103, 5103065, 6749215, 19020515, 41845133, 209225665]

約数ペア:

[(1, 209225665), (5, 41845133), (11, 19020515), (31, 6749215), (41, 5103065), (55, 3804103), (73, 2866105), (155, 1349843), (205, 1020613), (341, 613565), (365, 573221), (451, 463915), (803, 260555), (1271, 164615), (1681, 124465), (1705, 122713), (2255, 92783), (2263, 92455), (2993, 69905), (4015, 52111), (6355, 32923), (8405, 24893), (11315, 18491), (13981, 14965)]