289169915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 394178400

約数和(自身を除く): 105008485

約数列:

[1, 5, 17, 23, 59, 85, 109, 115, 295, 391, 529, 545, 1003, 1357, 1853, 1955, 2507, 2645, 5015, 6431, 6785, 8993, 9265, 12535, 23069, 31211, 32155, 42619, 44965, 57661, 109327, 115345, 147913, 156055, 213095, 288305, 530587, 546635, 739565, 980237, 2514521, 2652935, 3401999, 4901185, 12572605, 17009995, 57833983, 289169915]

約数ペア:

[(1, 289169915), (5, 57833983), (17, 17009995), (23, 12572605), (59, 4901185), (85, 3401999), (109, 2652935), (115, 2514521), (295, 980237), (391, 739565), (529, 546635), (545, 530587), (1003, 288305), (1357, 213095), (1853, 156055), (1955, 147913), (2507, 115345), (2645, 109327), (5015, 57661), (6431, 44965), (6785, 42619), (8993, 32155), (9265, 31211), (12535, 23069)]