28210889091

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1\times {\mathrm{2113}}^1$

素因数の和:4156

約数の個数: 64

約数和(自身を含む): 48560440320

約数和(自身を除く): 20349551229

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 1993, 2113, 2233, 5979, 6339, 6699, 13951, 14791, 21923, 23243, 41853, 44373, 57797, 61277, 65769, 69729, 153461, 162701, 173391, 183831, 404579, 428939, 460383, 488103, 635767, 674047, 1213737, 1286817, 1907301, 2022141, 4211209, 4450369, 4718329, 12633627, 13351107, 14154987, 29478463, 46323299, 88435389, 122125061, 138969897, 324263093, 366375183, 854875427, 972789279, 1343375671, 2564626281, 4030127013, 9403629697, 28210889091]

約数ペア:

[(1, 28210889091), (3, 9403629697), (7, 4030127013), (11, 2564626281), (21, 1343375671), (29, 972789279), (33, 854875427), (77, 366375183), (87, 324263093), (203, 138969897), (231, 122125061), (319, 88435389), (609, 46323299), (957, 29478463), (1993, 14154987), (2113, 13351107), (2233, 12633627), (5979, 4718329), (6339, 4450369), (6699, 4211209), (13951, 2022141), (14791, 1907301), (21923, 1286817), (23243, 1213737), (41853, 674047), (44373, 635767), (57797, 488103), (61277, 460383), (65769, 428939), (69729, 404579), (153461, 183831), (162701, 173391)]