68444621

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 84940800

約数和(自身を除く): 16496179

約数列:

[1, 7, 31, 41, 49, 157, 217, 287, 343, 1099, 1271, 1519, 2009, 4867, 6437, 7693, 8897, 10633, 14063, 34069, 45059, 53851, 62279, 199547, 238483, 315413, 435953, 1396829, 1669381, 2207891, 9777803, 68444621]

約数ペア:

[(1, 68444621), (7, 9777803), (31, 2207891), (41, 1669381), (49, 1396829), (157, 435953), (217, 315413), (287, 238483), (343, 199547), (1099, 62279), (1271, 53851), (1519, 45059), (2009, 34069), (4867, 14063), (6437, 10633), (7693, 8897)]