898989868

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4243}}^1$

素因数の和:4331

約数の個数: 72

約数和(自身を含む): 1950746112

約数和(自身を除く): 1051756244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 49, 92, 94, 98, 161, 188, 196, 322, 329, 644, 658, 1081, 1127, 1316, 2162, 2254, 2303, 4243, 4324, 4508, 4606, 7567, 8486, 9212, 15134, 16972, 29701, 30268, 52969, 59402, 97589, 105938, 118804, 195178, 199421, 207907, 211876, 390356, 398842, 415814, 683123, 797684, 831628, 1366246, 1395947, 2732492, 2791894, 4586683, 4781861, 5583788, 9173366, 9563722, 9771629, 18346732, 19127444, 19543258, 32106781, 39086516, 64213562, 128427124, 224747467, 449494934, 898989868]

約数ペア:

[(1, 898989868), (2, 449494934), (4, 224747467), (7, 128427124), (14, 64213562), (23, 39086516), (28, 32106781), (46, 19543258), (47, 19127444), (49, 18346732), (92, 9771629), (94, 9563722), (98, 9173366), (161, 5583788), (188, 4781861), (196, 4586683), (322, 2791894), (329, 2732492), (644, 1395947), (658, 1366246), (1081, 831628), (1127, 797684), (1316, 683123), (2162, 415814), (2254, 398842), (2303, 390356), (4243, 211876), (4324, 207907), (4508, 199421), (4606, 195178), (7567, 118804), (8486, 105938), (9212, 97589), (15134, 59402), (16972, 52969), (29701, 30268)]