668868145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{6563}}^1$

素因数の和:6705

約数の個数: 32

約数和(自身を含む): 935763840

約数和(自身を除く): 266895695

約数列:

[1, 5, 11, 17, 55, 85, 109, 187, 545, 935, 1199, 1853, 5995, 6563, 9265, 20383, 32815, 72193, 101915, 111571, 360965, 557855, 715367, 1227281, 3576835, 6136405, 7869037, 12161239, 39345185, 60806195, 133773629, 668868145]

約数ペア:

[(1, 668868145), (5, 133773629), (11, 60806195), (17, 39345185), (55, 12161239), (85, 7869037), (109, 6136405), (187, 3576835), (545, 1227281), (935, 715367), (1199, 557855), (1853, 360965), (5995, 111571), (6563, 101915), (9265, 72193), (20383, 32815)]