205656822

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{431}}^1\times {\mathrm{541}}^1$

素因数の和:994

約数の個数: 72

約数和(自身を含む): 520502112

約数和(自身を除く): 314845290

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 431, 441, 541, 862, 882, 1082, 1293, 1623, 2586, 3017, 3246, 3787, 3879, 4869, 6034, 7574, 7758, 9051, 9738, 11361, 18102, 21119, 22722, 26509, 27153, 34083, 42238, 53018, 54306, 63357, 68166, 79527, 126714, 159054, 190071, 233171, 238581, 380142, 466342, 477162, 699513, 1399026, 1632197, 2098539, 3264394, 4197078, 4896591, 9793182, 11425379, 14689773, 22850758, 29379546, 34276137, 68552274, 102828411, 205656822]

約数ペア:

[(1, 205656822), (2, 102828411), (3, 68552274), (6, 34276137), (7, 29379546), (9, 22850758), (14, 14689773), (18, 11425379), (21, 9793182), (42, 4896591), (49, 4197078), (63, 3264394), (98, 2098539), (126, 1632197), (147, 1399026), (294, 699513), (431, 477162), (441, 466342), (541, 380142), (862, 238581), (882, 233171), (1082, 190071), (1293, 159054), (1623, 126714), (2586, 79527), (3017, 68166), (3246, 63357), (3787, 54306), (3879, 53018), (4869, 42238), (6034, 34083), (7574, 27153), (7758, 26509), (9051, 22722), (9738, 21119), (11361, 18102)]