12721982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 24946560

約数和(自身を除く): 12224578

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 169, 182, 247, 266, 283, 338, 494, 566, 1183, 1729, 1981, 2366, 3211, 3458, 3679, 3962, 5377, 6422, 7358, 10754, 22477, 25753, 37639, 44954, 47827, 51506, 69901, 75278, 95654, 139802, 334789, 489307, 669578, 908713, 978614, 1817426, 6360991, 12721982]

約数ペア:

[(1, 12721982), (2, 6360991), (7, 1817426), (13, 978614), (14, 908713), (19, 669578), (26, 489307), (38, 334789), (91, 139802), (133, 95654), (169, 75278), (182, 69901), (247, 51506), (266, 47827), (283, 44954), (338, 37639), (494, 25753), (566, 22477), (1183, 10754), (1729, 7358), (1981, 6422), (2366, 5377), (3211, 3962), (3458, 3679)]