198416015

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 289324224

約数和(自身を除く): 90908209

約数列:

[1, 5, 7, 35, 37, 41, 101, 185, 205, 259, 287, 505, 707, 1295, 1369, 1435, 1517, 3535, 3737, 4141, 6845, 7585, 9583, 10619, 18685, 20705, 26159, 28987, 47915, 53095, 56129, 130795, 138269, 144935, 153217, 280645, 392903, 691345, 766085, 967883, 1072519, 1964515, 4839415, 5362595, 5669029, 28345145, 39683203, 198416015]

約数ペア:

[(1, 198416015), (5, 39683203), (7, 28345145), (35, 5669029), (37, 5362595), (41, 4839415), (101, 1964515), (185, 1072519), (205, 967883), (259, 766085), (287, 691345), (505, 392903), (707, 280645), (1295, 153217), (1369, 144935), (1435, 138269), (1517, 130795), (3535, 56129), (3737, 53095), (4141, 47915), (6845, 28987), (7585, 26159), (9583, 20705), (10619, 18685)]