72129206

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:177

約数の個数: 48

約数和(自身を含む): 123124560

約数和(自身を除く): 50995354

約数列:

[1, 2, 19, 29, 37, 38, 58, 61, 74, 122, 551, 703, 841, 1073, 1102, 1159, 1406, 1682, 1769, 2146, 2257, 2318, 3538, 4514, 15979, 20387, 31117, 31958, 33611, 40774, 42883, 51301, 62234, 65453, 67222, 85766, 102602, 130906, 591223, 974719, 1182446, 1243607, 1898137, 1949438, 2487214, 3796274, 36064603, 72129206]

約数ペア:

[(1, 72129206), (2, 36064603), (19, 3796274), (29, 2487214), (37, 1949438), (38, 1898137), (58, 1243607), (61, 1182446), (74, 974719), (122, 591223), (551, 130906), (703, 102602), (841, 85766), (1073, 67222), (1102, 65453), (1159, 62234), (1406, 51301), (1682, 42883), (1769, 40774), (2146, 33611), (2257, 31958), (2318, 31117), (3538, 20387), (4514, 15979)]