221392712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1123}}^1\times {\mathrm{1297}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 437685600

約数和(自身を除く): 216292888

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1123, 1297, 2246, 2594, 4492, 5188, 8984, 10376, 21337, 24643, 42674, 49286, 85348, 98572, 170696, 197144, 1456531, 2913062, 5826124, 11652248, 27674089, 55348178, 110696356, 221392712]

約数ペア:

[(1, 221392712), (2, 110696356), (4, 55348178), (8, 27674089), (19, 11652248), (38, 5826124), (76, 2913062), (152, 1456531), (1123, 197144), (1297, 170696), (2246, 98572), (2594, 85348), (4492, 49286), (5188, 42674), (8984, 24643), (10376, 21337)]