78900206

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 154704384

約数和(自身を除く): 75804178

約数列:

[1, 2, 7, 11, 14, 22, 37, 61, 74, 77, 122, 154, 227, 259, 407, 427, 454, 518, 671, 814, 854, 1342, 1589, 2257, 2497, 2849, 3178, 4514, 4697, 4994, 5698, 8399, 9394, 13847, 15799, 16798, 17479, 24827, 27694, 31598, 34958, 49654, 58793, 92389, 96929, 117586, 152317, 173789, 184778, 193858, 304634, 347578, 512339, 646723, 1024678, 1066219, 1293446, 2132438, 3586373, 5635729, 7172746, 11271458, 39450103, 78900206]

約数ペア:

[(1, 78900206), (2, 39450103), (7, 11271458), (11, 7172746), (14, 5635729), (22, 3586373), (37, 2132438), (61, 1293446), (74, 1066219), (77, 1024678), (122, 646723), (154, 512339), (227, 347578), (259, 304634), (407, 193858), (427, 184778), (454, 173789), (518, 152317), (671, 117586), (814, 96929), (854, 92389), (1342, 58793), (1589, 49654), (2257, 34958), (2497, 31598), (2849, 27694), (3178, 24827), (4514, 17479), (4697, 16798), (4994, 15799), (5698, 13847), (8399, 9394)]