2674000004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 5089680960

約数和(自身を除く): 2415680956

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 389, 652, 778, 811, 1556, 1622, 2119, 3244, 4238, 5057, 8476, 10114, 10543, 20228, 21086, 42172, 63407, 126814, 132193, 253628, 264386, 315479, 528772, 630958, 824291, 1261916, 1648582, 1718509, 3297164, 3437018, 4101227, 6874036, 8202454, 16404908, 51423077, 102846154, 205692308, 668500001, 1337000002, 2674000004]

約数ペア:

[(1, 2674000004), (2, 1337000002), (4, 668500001), (13, 205692308), (26, 102846154), (52, 51423077), (163, 16404908), (326, 8202454), (389, 6874036), (652, 4101227), (778, 3437018), (811, 3297164), (1556, 1718509), (1622, 1648582), (2119, 1261916), (3244, 824291), (4238, 630958), (5057, 528772), (8476, 315479), (10114, 264386), (10543, 253628), (20228, 132193), (21086, 126814), (42172, 63407)]