128754808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 313528320

約数和(自身を除く): 184773512

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 53, 56, 71, 91, 94, 104, 106, 142, 182, 188, 212, 284, 329, 364, 371, 376, 424, 497, 568, 611, 658, 689, 728, 742, 923, 994, 1222, 1316, 1378, 1484, 1846, 1988, 2444, 2491, 2632, 2756, 2968, 3337, 3692, 3763, 3976, 4277, 4823, 4888, 4982, 5512, 6461, 6674, 7384, 7526, 8554, 9646, 9964, 12922, 13348, 15052, 17108, 17437, 19292, 19928, 23359, 25844, 26341, 26696, 30104, 32383, 34216, 34874, 38584, 43381, 46718, 48919, 51688, 52682, 64766, 69748, 86762, 93436, 97838, 105364, 129532, 139496, 173524, 176861, 186872, 195676, 210728, 226681, 259064, 303667, 342433, 347048, 353722, 391352, 453362, 607334, 684866, 707444, 906724, 1214668, 1238027, 1369732, 1414888, 1813448, 2299193, 2429336, 2476054, 2739464, 4598386, 4952108, 9196772, 9904216, 16094351, 18393544, 32188702, 64377404, 128754808]

約数ペア:

[(1, 128754808), (2, 64377404), (4, 32188702), (7, 18393544), (8, 16094351), (13, 9904216), (14, 9196772), (26, 4952108), (28, 4598386), (47, 2739464), (52, 2476054), (53, 2429336), (56, 2299193), (71, 1813448), (91, 1414888), (94, 1369732), (104, 1238027), (106, 1214668), (142, 906724), (182, 707444), (188, 684866), (212, 607334), (284, 453362), (329, 391352), (364, 353722), (371, 347048), (376, 342433), (424, 303667), (497, 259064), (568, 226681), (611, 210728), (658, 195676), (689, 186872), (728, 176861), (742, 173524), (923, 139496), (994, 129532), (1222, 105364), (1316, 97838), (1378, 93436), (1484, 86762), (1846, 69748), (1988, 64766), (2444, 52682), (2491, 51688), (2632, 48919), (2756, 46718), (2968, 43381), (3337, 38584), (3692, 34874), (3763, 34216), (3976, 32383), (4277, 30104), (4823, 26696), (4888, 26341), (4982, 25844), (5512, 23359), (6461, 19928), (6674, 19292), (7384, 17437), (7526, 17108), (8554, 15052), (9646, 13348), (9964, 12922)]