28978884

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 84889728

約数和(自身を除く): 55910844

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 47, 54, 66, 81, 94, 99, 108, 132, 141, 162, 173, 188, 198, 282, 297, 324, 346, 396, 423, 517, 519, 564, 594, 692, 846, 891, 1034, 1038, 1188, 1269, 1551, 1557, 1692, 1782, 1903, 2068, 2076, 2538, 3102, 3114, 3564, 3806, 3807, 4653, 4671, 5076, 5709, 6204, 6228, 7612, 7614, 8131, 9306, 9342, 11418, 13959, 14013, 15228, 16262, 17127, 18612, 18684, 22836, 24393, 27918, 28026, 32524, 34254, 41877, 48786, 51381, 55836, 56052, 68508, 73179, 83754, 89441, 97572, 102762, 146358, 154143, 167508, 178882, 205524, 219537, 268323, 292716, 308286, 357764, 439074, 536646, 616572, 658611, 804969, 878148, 1073292, 1317222, 1609938, 2414907, 2634444, 3219876, 4829814, 7244721, 9659628, 14489442, 28978884]

約数ペア:

[(1, 28978884), (2, 14489442), (3, 9659628), (4, 7244721), (6, 4829814), (9, 3219876), (11, 2634444), (12, 2414907), (18, 1609938), (22, 1317222), (27, 1073292), (33, 878148), (36, 804969), (44, 658611), (47, 616572), (54, 536646), (66, 439074), (81, 357764), (94, 308286), (99, 292716), (108, 268323), (132, 219537), (141, 205524), (162, 178882), (173, 167508), (188, 154143), (198, 146358), (282, 102762), (297, 97572), (324, 89441), (346, 83754), (396, 73179), (423, 68508), (517, 56052), (519, 55836), (564, 51381), (594, 48786), (692, 41877), (846, 34254), (891, 32524), (1034, 28026), (1038, 27918), (1188, 24393), (1269, 22836), (1551, 18684), (1557, 18612), (1692, 17127), (1782, 16262), (1903, 15228), (2068, 14013), (2076, 13959), (2538, 11418), (3102, 9342), (3114, 9306), (3564, 8131), (3806, 7614), (3807, 7612), (4653, 6228), (4671, 6204), (5076, 5709)]