391819792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{613}}^1$

素因数の和:1080

約数の個数: 80

約数和(自身を含む): 937995520

約数和(自身を除く): 546175728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 439, 613, 728, 878, 1226, 1456, 1756, 2452, 3073, 3512, 4291, 4904, 5707, 6146, 7024, 7969, 8582, 9808, 11414, 12292, 15938, 17164, 22828, 24584, 31876, 34328, 39949, 45656, 49168, 55783, 63752, 68656, 79898, 91312, 111566, 127504, 159796, 223132, 269107, 319592, 446264, 538214, 639184, 892528, 1076428, 1883749, 2152856, 3498391, 3767498, 4305712, 6996782, 7534996, 13993564, 15069992, 24488737, 27987128, 30139984, 48977474, 55974256, 97954948, 195909896, 391819792]

約数ペア:

[(1, 391819792), (2, 195909896), (4, 97954948), (7, 55974256), (8, 48977474), (13, 30139984), (14, 27987128), (16, 24488737), (26, 15069992), (28, 13993564), (52, 7534996), (56, 6996782), (91, 4305712), (104, 3767498), (112, 3498391), (182, 2152856), (208, 1883749), (364, 1076428), (439, 892528), (613, 639184), (728, 538214), (878, 446264), (1226, 319592), (1456, 269107), (1756, 223132), (2452, 159796), (3073, 127504), (3512, 111566), (4291, 91312), (4904, 79898), (5707, 68656), (6146, 63752), (7024, 55783), (7969, 49168), (8582, 45656), (9808, 39949), (11414, 34328), (12292, 31876), (15938, 24584), (17164, 22828)]