72981568

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1355

約数の個数: 56

約数和(自身を含む): 160020000

約数和(自身を除く): 87038432

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 83, 88, 166, 176, 332, 352, 664, 704, 913, 1249, 1328, 1826, 2498, 2656, 3652, 4996, 5312, 7304, 9992, 13739, 14608, 19984, 27478, 29216, 39968, 54956, 58432, 79936, 103667, 109912, 207334, 219824, 414668, 439648, 829336, 879296, 1140337, 1658672, 2280674, 3317344, 4561348, 6634688, 9122696, 18245392, 36490784, 72981568]

約数ペア:

[(1, 72981568), (2, 36490784), (4, 18245392), (8, 9122696), (11, 6634688), (16, 4561348), (22, 3317344), (32, 2280674), (44, 1658672), (64, 1140337), (83, 879296), (88, 829336), (166, 439648), (176, 414668), (332, 219824), (352, 207334), (664, 109912), (704, 103667), (913, 79936), (1249, 58432), (1328, 54956), (1826, 39968), (2498, 29216), (2656, 27478), (3652, 19984), (4996, 14608), (5312, 13739), (7304, 9992)]