128305492

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{457}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 265097728

約数和(自身を除く): 136792236

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 271, 457, 518, 542, 914, 1036, 1084, 1828, 1897, 3199, 3794, 6398, 7588, 10027, 12796, 16909, 20054, 33818, 40108, 67636, 70189, 118363, 123847, 140378, 236726, 247694, 280756, 473452, 495388, 866929, 1733858, 3467716, 4582339, 9164678, 18329356, 32076373, 64152746, 128305492]

約数ペア:

[(1, 128305492), (2, 64152746), (4, 32076373), (7, 18329356), (14, 9164678), (28, 4582339), (37, 3467716), (74, 1733858), (148, 866929), (259, 495388), (271, 473452), (457, 280756), (518, 247694), (542, 236726), (914, 140378), (1036, 123847), (1084, 118363), (1828, 70189), (1897, 67636), (3199, 40108), (3794, 33818), (6398, 20054), (7588, 16909), (10027, 12796)]