290426878

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{8779}}^1$

素因数の和:8944

約数の個数: 32

約数和(自身を含む): 531014400

約数和(自身を除く): 240587522

約数列:

[1, 2, 7, 14, 17, 34, 119, 139, 238, 278, 973, 1946, 2363, 4726, 8779, 16541, 17558, 33082, 61453, 122906, 149243, 298486, 1044701, 1220281, 2089402, 2440562, 8541967, 17083934, 20744777, 41489554, 145213439, 290426878]

約数ペア:

[(1, 290426878), (2, 145213439), (7, 41489554), (14, 20744777), (17, 17083934), (34, 8541967), (119, 2440562), (139, 2089402), (238, 1220281), (278, 1044701), (973, 298486), (1946, 149243), (2363, 122906), (4726, 61453), (8779, 33082), (16541, 17558)]