128852556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{523}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 351247680

約数和(自身を除く): 222395124

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 419, 523, 588, 838, 1046, 1257, 1569, 1676, 2092, 2514, 2933, 3138, 3661, 5028, 5866, 6276, 7322, 8799, 10983, 11732, 14644, 17598, 20531, 21966, 25627, 35196, 41062, 43932, 51254, 61593, 76881, 82124, 102508, 123186, 153762, 219137, 246372, 307524, 438274, 657411, 876548, 1314822, 1533959, 2629644, 3067918, 4601877, 6135836, 9203754, 10737713, 18407508, 21475426, 32213139, 42950852, 64426278, 128852556]

約数ペア:

[(1, 128852556), (2, 64426278), (3, 42950852), (4, 32213139), (6, 21475426), (7, 18407508), (12, 10737713), (14, 9203754), (21, 6135836), (28, 4601877), (42, 3067918), (49, 2629644), (84, 1533959), (98, 1314822), (147, 876548), (196, 657411), (294, 438274), (419, 307524), (523, 246372), (588, 219137), (838, 153762), (1046, 123186), (1257, 102508), (1569, 82124), (1676, 76881), (2092, 61593), (2514, 51254), (2933, 43932), (3138, 41062), (3661, 35196), (5028, 25627), (5866, 21966), (6276, 20531), (7322, 17598), (8799, 14644), (10983, 11732)]