51731748

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 139695192

約数和(自身を除く): 87963444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 137, 153, 204, 274, 306, 411, 548, 612, 617, 822, 1233, 1234, 1644, 1851, 2329, 2466, 2468, 3702, 4658, 4932, 5553, 6987, 7404, 9316, 10489, 11106, 13974, 20961, 20978, 22212, 27948, 31467, 41922, 41956, 62934, 83844, 84529, 94401, 125868, 169058, 188802, 253587, 338116, 377604, 507174, 760761, 1014348, 1436993, 1521522, 2873986, 3043044, 4310979, 5747972, 8621958, 12932937, 17243916, 25865874, 51731748]

約数ペア:

[(1, 51731748), (2, 25865874), (3, 17243916), (4, 12932937), (6, 8621958), (9, 5747972), (12, 4310979), (17, 3043044), (18, 2873986), (34, 1521522), (36, 1436993), (51, 1014348), (68, 760761), (102, 507174), (137, 377604), (153, 338116), (204, 253587), (274, 188802), (306, 169058), (411, 125868), (548, 94401), (612, 84529), (617, 83844), (822, 62934), (1233, 41956), (1234, 41922), (1644, 31467), (1851, 27948), (2329, 22212), (2466, 20978), (2468, 20961), (3702, 13974), (4658, 11106), (4932, 10489), (5553, 9316), (6987, 7404)]