28194516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2111}}^1$

素因数の和:2181

約数の個数: 72

約数和(自身を含む): 83026944

約数和(自身を除く): 54832428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2111, 2226, 3339, 4222, 4452, 6333, 6678, 8444, 12666, 13356, 14777, 18999, 25332, 29554, 37998, 44331, 59108, 75996, 88662, 111883, 132993, 177324, 223766, 265986, 335649, 447532, 531972, 671298, 783181, 1006947, 1342596, 1566362, 2013894, 2349543, 3132724, 4027788, 4699086, 7048629, 9398172, 14097258, 28194516]

約数ペア:

[(1, 28194516), (2, 14097258), (3, 9398172), (4, 7048629), (6, 4699086), (7, 4027788), (9, 3132724), (12, 2349543), (14, 2013894), (18, 1566362), (21, 1342596), (28, 1006947), (36, 783181), (42, 671298), (53, 531972), (63, 447532), (84, 335649), (106, 265986), (126, 223766), (159, 177324), (212, 132993), (252, 111883), (318, 88662), (371, 75996), (477, 59108), (636, 44331), (742, 37998), (954, 29554), (1113, 25332), (1484, 18999), (1908, 14777), (2111, 13356), (2226, 12666), (3339, 8444), (4222, 6678), (4452, 6333)]