28332876

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 83417600

約数和(自身を除く): 55084724

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 19, 22, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 79, 114, 121, 132, 143, 156, 158, 209, 228, 237, 242, 247, 286, 316, 363, 418, 429, 474, 484, 494, 572, 627, 726, 741, 836, 858, 869, 948, 988, 1027, 1254, 1452, 1482, 1501, 1573, 1716, 1738, 2054, 2299, 2508, 2607, 2717, 2964, 3002, 3081, 3146, 3476, 4108, 4503, 4598, 4719, 5214, 5434, 6004, 6162, 6292, 6897, 8151, 9006, 9196, 9438, 9559, 10428, 10868, 11297, 12324, 13794, 16302, 16511, 18012, 18876, 19118, 19513, 22594, 27588, 28677, 29887, 32604, 33022, 33891, 38236, 39026, 45188, 49533, 57354, 58539, 59774, 66044, 67782, 78052, 89661, 99066, 114708, 117078, 119548, 124267, 135564, 179322, 181621, 198132, 214643, 234156, 248534, 358644, 363242, 372801, 429286, 497068, 544863, 643929, 726484, 745602, 858572, 1089726, 1287858, 1491204, 2179452, 2361073, 2575716, 4722146, 7083219, 9444292, 14166438, 28332876]

約数ペア:

[(1, 28332876), (2, 14166438), (3, 9444292), (4, 7083219), (6, 4722146), (11, 2575716), (12, 2361073), (13, 2179452), (19, 1491204), (22, 1287858), (26, 1089726), (33, 858572), (38, 745602), (39, 726484), (44, 643929), (52, 544863), (57, 497068), (66, 429286), (76, 372801), (78, 363242), (79, 358644), (114, 248534), (121, 234156), (132, 214643), (143, 198132), (156, 181621), (158, 179322), (209, 135564), (228, 124267), (237, 119548), (242, 117078), (247, 114708), (286, 99066), (316, 89661), (363, 78052), (418, 67782), (429, 66044), (474, 59774), (484, 58539), (494, 57354), (572, 49533), (627, 45188), (726, 39026), (741, 38236), (836, 33891), (858, 33022), (869, 32604), (948, 29887), (988, 28677), (1027, 27588), (1254, 22594), (1452, 19513), (1482, 19118), (1501, 18876), (1573, 18012), (1716, 16511), (1738, 16302), (2054, 13794), (2299, 12324), (2508, 11297), (2607, 10868), (2717, 10428), (2964, 9559), (3002, 9438), (3081, 9196), (3146, 9006), (3476, 8151), (4108, 6897), (4503, 6292), (4598, 6162), (4719, 6004), (5214, 5434)]