638691616

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{467}}^1\times {\mathrm{541}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 1278426240

約数和(自身を除く): 639734624

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 467, 541, 632, 934, 1082, 1264, 1868, 2164, 2528, 3736, 4328, 7472, 8656, 14944, 17312, 36893, 42739, 73786, 85478, 147572, 170956, 252647, 295144, 341912, 505294, 590288, 683824, 1010588, 1180576, 1367648, 2021176, 4042352, 8084704, 19959113, 39918226, 79836452, 159672904, 319345808, 638691616]

約数ペア:

[(1, 638691616), (2, 319345808), (4, 159672904), (8, 79836452), (16, 39918226), (32, 19959113), (79, 8084704), (158, 4042352), (316, 2021176), (467, 1367648), (541, 1180576), (632, 1010588), (934, 683824), (1082, 590288), (1264, 505294), (1868, 341912), (2164, 295144), (2528, 252647), (3736, 170956), (4328, 147572), (7472, 85478), (8656, 73786), (14944, 42739), (17312, 36893)]