28156920876

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5880727}}^1$

素因数の和:5880763

約数の個数: 72

約数和(自身を含む): 85623399680

約数和(自身を除く): 57466478804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 5880727, 11761454, 17642181, 23522908, 35284362, 41165089, 52926543, 70568724, 82330178, 105853086, 111733813, 123495267, 164660356, 211706172, 223467626, 246990534, 335201439, 370485801, 446935252, 493981068, 670402878, 740971602, 782136691, 1005604317, 1340805756, 1481943204, 1564273382, 2011208634, 2346410073, 3128546764, 4022417268, 4692820146, 7039230219, 9385640292, 14078460438, 28156920876]

約数ペア:

[(1, 28156920876), (2, 14078460438), (3, 9385640292), (4, 7039230219), (6, 4692820146), (7, 4022417268), (9, 3128546764), (12, 2346410073), (14, 2011208634), (18, 1564273382), (19, 1481943204), (21, 1340805756), (28, 1005604317), (36, 782136691), (38, 740971602), (42, 670402878), (57, 493981068), (63, 446935252), (76, 370485801), (84, 335201439), (114, 246990534), (126, 223467626), (133, 211706172), (171, 164660356), (228, 123495267), (252, 111733813), (266, 105853086), (342, 82330178), (399, 70568724), (532, 52926543), (684, 41165089), (798, 35284362), (1197, 23522908), (1596, 17642181), (2394, 11761454), (4788, 5880727)]