220181234

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1553}}^1$

素因数の和:1635

約数の個数: 64

約数和(自身を含む): 438600960

約数和(自身を除く): 218419726

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 41, 82, 91, 133, 182, 247, 266, 287, 494, 533, 574, 779, 1066, 1553, 1558, 1729, 3106, 3458, 3731, 5453, 7462, 10127, 10871, 10906, 20189, 20254, 21742, 29507, 40378, 59014, 63673, 70889, 127346, 141323, 141778, 206549, 282646, 383591, 413098, 445711, 767182, 827749, 891422, 1209787, 1655498, 2419574, 2685137, 5370274, 5794243, 8468509, 11588486, 15727231, 16937018, 31454462, 110090617, 220181234]

約数ペア:

[(1, 220181234), (2, 110090617), (7, 31454462), (13, 16937018), (14, 15727231), (19, 11588486), (26, 8468509), (38, 5794243), (41, 5370274), (82, 2685137), (91, 2419574), (133, 1655498), (182, 1209787), (247, 891422), (266, 827749), (287, 767182), (494, 445711), (533, 413098), (574, 383591), (779, 282646), (1066, 206549), (1553, 141778), (1558, 141323), (1729, 127346), (3106, 70889), (3458, 63673), (3731, 59014), (5453, 40378), (7462, 29507), (10127, 21742), (10871, 20254), (10906, 20189)]