1985280376

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1877}}^1$

素因数の和:2056

約数の個数: 64

約数和(自身を含む): 3975350400

約数和(自身を除く): 1990070024

約数列:

[1, 2, 4, 8, 29, 47, 58, 94, 97, 116, 188, 194, 232, 376, 388, 776, 1363, 1877, 2726, 2813, 3754, 4559, 5452, 5626, 7508, 9118, 10904, 11252, 15016, 18236, 22504, 36472, 54433, 88219, 108866, 132211, 176438, 182069, 217732, 264422, 352876, 364138, 435464, 528844, 705752, 728276, 1057688, 1456552, 2558351, 5116702, 5280001, 8557243, 10233404, 10560002, 17114486, 20466808, 21120004, 34228972, 42240008, 68457944, 248160047, 496320094, 992640188, 1985280376]

約数ペア:

[(1, 1985280376), (2, 992640188), (4, 496320094), (8, 248160047), (29, 68457944), (47, 42240008), (58, 34228972), (94, 21120004), (97, 20466808), (116, 17114486), (188, 10560002), (194, 10233404), (232, 8557243), (376, 5280001), (388, 5116702), (776, 2558351), (1363, 1456552), (1877, 1057688), (2726, 728276), (2813, 705752), (3754, 528844), (4559, 435464), (5452, 364138), (5626, 352876), (7508, 264422), (9118, 217732), (10904, 182069), (11252, 176438), (15016, 132211), (18236, 108866), (22504, 88219), (36472, 54433)]