208208078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{761}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 357164640

約数和(自身を除く): 148956562

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 619, 761, 1238, 1522, 8047, 9893, 10523, 12937, 16094, 19786, 21046, 25874, 136799, 168181, 273598, 336362, 471059, 942118, 6123767, 8008003, 12247534, 16016006, 104104039, 208208078]

約数ペア:

[(1, 208208078), (2, 104104039), (13, 16016006), (17, 12247534), (26, 8008003), (34, 6123767), (221, 942118), (442, 471059), (619, 336362), (761, 273598), (1238, 168181), (1522, 136799), (8047, 25874), (9893, 21046), (10523, 19786), (12937, 16094)]