219969648

素因数分解:

$2^4\times 3^3\times {\mathrm{647}}^1\times {\mathrm{787}}^1$

素因数の和:1451

約数の個数: 80

約数和(自身を含む): 633173760

約数和(自身を除く): 413204112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 647, 787, 1294, 1574, 1941, 2361, 2588, 3148, 3882, 4722, 5176, 5823, 6296, 7083, 7764, 9444, 10352, 11646, 12592, 14166, 15528, 17469, 18888, 21249, 23292, 28332, 31056, 34938, 37776, 42498, 46584, 56664, 69876, 84996, 93168, 113328, 139752, 169992, 279504, 339984, 509189, 1018378, 1527567, 2036756, 3055134, 4073512, 4582701, 6110268, 8147024, 9165402, 12220536, 13748103, 18330804, 24441072, 27496206, 36661608, 54992412, 73323216, 109984824, 219969648]

約数ペア:

[(1, 219969648), (2, 109984824), (3, 73323216), (4, 54992412), (6, 36661608), (8, 27496206), (9, 24441072), (12, 18330804), (16, 13748103), (18, 12220536), (24, 9165402), (27, 8147024), (36, 6110268), (48, 4582701), (54, 4073512), (72, 3055134), (108, 2036756), (144, 1527567), (216, 1018378), (432, 509189), (647, 339984), (787, 279504), (1294, 169992), (1574, 139752), (1941, 113328), (2361, 93168), (2588, 84996), (3148, 69876), (3882, 56664), (4722, 46584), (5176, 42498), (5823, 37776), (6296, 34938), (7083, 31056), (7764, 28332), (9444, 23292), (10352, 21249), (11646, 18888), (12592, 17469), (14166, 15528)]