636961108

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{1123}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 1305206784

約数和(自身を除く): 668245676

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 431, 658, 862, 1123, 1316, 1724, 2246, 3017, 4492, 6034, 7861, 12068, 15722, 20257, 31444, 40514, 52781, 81028, 105562, 141799, 211124, 283598, 369467, 484013, 567196, 738934, 968026, 1477868, 1936052, 3388091, 6776182, 13552364, 22748611, 45497222, 90994444, 159240277, 318480554, 636961108]

約数ペア:

[(1, 636961108), (2, 318480554), (4, 159240277), (7, 90994444), (14, 45497222), (28, 22748611), (47, 13552364), (94, 6776182), (188, 3388091), (329, 1936052), (431, 1477868), (658, 968026), (862, 738934), (1123, 567196), (1316, 484013), (1724, 369467), (2246, 283598), (3017, 211124), (4492, 141799), (6034, 105562), (7861, 81028), (12068, 52781), (15722, 40514), (20257, 31444)]