81794174

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 163814400

約数和(自身を除く): 82020226

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 157, 187, 199, 238, 314, 374, 398, 1099, 1309, 1393, 1727, 2189, 2198, 2618, 2669, 2786, 3383, 3454, 4378, 5338, 6766, 12089, 15323, 18683, 23681, 24178, 29359, 30646, 31243, 37213, 37366, 47362, 58718, 62486, 74426, 205513, 218701, 260491, 343673, 411026, 437402, 520982, 531131, 687346, 1062262, 2405711, 3717917, 4811422, 5842441, 7435834, 11684882, 40897087, 81794174]

約数ペア:

[(1, 81794174), (2, 40897087), (7, 11684882), (11, 7435834), (14, 5842441), (17, 4811422), (22, 3717917), (34, 2405711), (77, 1062262), (119, 687346), (154, 531131), (157, 520982), (187, 437402), (199, 411026), (238, 343673), (314, 260491), (374, 218701), (398, 205513), (1099, 74426), (1309, 62486), (1393, 58718), (1727, 47362), (2189, 37366), (2198, 37213), (2618, 31243), (2669, 30646), (2786, 29359), (3383, 24178), (3454, 23681), (4378, 18683), (5338, 15323), (6766, 12089)]