2012018449

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 2578406400

約数和(自身を除く): 566387951

約数列:

[1, 7, 23, 37, 49, 61, 113, 161, 259, 343, 427, 791, 851, 1127, 1403, 1813, 2257, 2599, 2989, 4181, 5537, 5957, 6893, 7889, 9821, 12691, 15799, 18193, 20923, 29267, 38759, 41699, 48251, 51911, 68747, 96163, 110593, 127351, 158539, 204869, 255041, 291893, 337757, 363377, 481229, 673141, 774151, 891457, 1109773, 1434083, 1785287, 2364299, 2543639, 4711987, 5865943, 7768411, 12497009, 17805473, 32983909, 41061601, 54378877, 87479063, 287431207, 2012018449]

約数ペア:

[(1, 2012018449), (7, 287431207), (23, 87479063), (37, 54378877), (49, 41061601), (61, 32983909), (113, 17805473), (161, 12497009), (259, 7768411), (343, 5865943), (427, 4711987), (791, 2543639), (851, 2364299), (1127, 1785287), (1403, 1434083), (1813, 1109773), (2257, 891457), (2599, 774151), (2989, 673141), (4181, 481229), (5537, 363377), (5957, 337757), (6893, 291893), (7889, 255041), (9821, 204869), (12691, 158539), (15799, 127351), (18193, 110593), (20923, 96163), (29267, 68747), (38759, 51911), (41699, 48251)]