128584856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 266112000

約数和(自身を除く): 137527144

約数列:

[1, 2, 4, 8, 19, 38, 41, 47, 76, 82, 94, 152, 164, 188, 328, 376, 439, 779, 878, 893, 1558, 1756, 1786, 1927, 3116, 3512, 3572, 3854, 6232, 7144, 7708, 8341, 15416, 16682, 17999, 20633, 33364, 35998, 36613, 41266, 66728, 71996, 73226, 82532, 143992, 146452, 165064, 292904, 341981, 392027, 683962, 784054, 845953, 1367924, 1568108, 1691906, 2735848, 3136216, 3383812, 6767624, 16073107, 32146214, 64292428, 128584856]

約数ペア:

[(1, 128584856), (2, 64292428), (4, 32146214), (8, 16073107), (19, 6767624), (38, 3383812), (41, 3136216), (47, 2735848), (76, 1691906), (82, 1568108), (94, 1367924), (152, 845953), (164, 784054), (188, 683962), (328, 392027), (376, 341981), (439, 292904), (779, 165064), (878, 146452), (893, 143992), (1558, 82532), (1756, 73226), (1786, 71996), (1927, 66728), (3116, 41266), (3512, 36613), (3572, 35998), (3854, 33364), (6232, 20633), (7144, 17999), (7708, 16682), (8341, 15416)]