81016082

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 152893440

約数和(自身を除く): 71877358

約数列:

[1, 2, 7, 14, 29, 31, 41, 58, 62, 82, 157, 203, 217, 287, 314, 406, 434, 574, 899, 1099, 1189, 1271, 1798, 2198, 2378, 2542, 4553, 4867, 6293, 6437, 8323, 8897, 9106, 9734, 12586, 12874, 16646, 17794, 31871, 34069, 36859, 45059, 63742, 68138, 73718, 90118, 141143, 186673, 199547, 258013, 282286, 373346, 399094, 516026, 988001, 1306711, 1396829, 1976002, 2613422, 2793658, 5786863, 11573726, 40508041, 81016082]

約数ペア:

[(1, 81016082), (2, 40508041), (7, 11573726), (14, 5786863), (29, 2793658), (31, 2613422), (41, 1976002), (58, 1396829), (62, 1306711), (82, 988001), (157, 516026), (203, 399094), (217, 373346), (287, 282286), (314, 258013), (406, 199547), (434, 186673), (574, 141143), (899, 90118), (1099, 73718), (1189, 68138), (1271, 63742), (1798, 45059), (2198, 36859), (2378, 34069), (2542, 31871), (4553, 17794), (4867, 16646), (6293, 12874), (6437, 12586), (8323, 9734), (8897, 9106)]