538855919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 697835520

約数和(自身を除く): 158979601

約数列:

[1, 7, 17, 31, 43, 79, 119, 217, 301, 527, 553, 731, 1333, 1343, 1849, 2449, 3397, 3689, 5117, 9331, 9401, 12943, 17143, 22661, 23779, 31433, 41633, 57319, 57749, 105307, 146071, 158627, 220031, 291431, 401233, 404243, 737149, 974423, 1022497, 1790219, 2483207, 4528201, 6820961, 12531533, 17382449, 31697407, 76979417, 538855919]

約数ペア:

[(1, 538855919), (7, 76979417), (17, 31697407), (31, 17382449), (43, 12531533), (79, 6820961), (119, 4528201), (217, 2483207), (301, 1790219), (527, 1022497), (553, 974423), (731, 737149), (1333, 404243), (1343, 401233), (1849, 291431), (2449, 220031), (3397, 158627), (3689, 146071), (5117, 105307), (9331, 57749), (9401, 57319), (12943, 41633), (17143, 31433), (22661, 23779)]