66746816

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 56

約数和(自身を含む): 138293856

約数和(自身を除く): 71547040

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 71, 74, 142, 148, 284, 296, 397, 568, 592, 794, 1136, 1184, 1588, 2272, 2368, 2627, 3176, 4544, 5254, 6352, 10508, 12704, 14689, 21016, 25408, 28187, 29378, 42032, 56374, 58756, 84064, 112748, 117512, 168128, 225496, 235024, 450992, 470048, 901984, 940096, 1042919, 1803968, 2085838, 4171676, 8343352, 16686704, 33373408, 66746816]

約数ペア:

[(1, 66746816), (2, 33373408), (4, 16686704), (8, 8343352), (16, 4171676), (32, 2085838), (37, 1803968), (64, 1042919), (71, 940096), (74, 901984), (142, 470048), (148, 450992), (284, 235024), (296, 225496), (397, 168128), (568, 117512), (592, 112748), (794, 84064), (1136, 58756), (1184, 56374), (1588, 42032), (2272, 29378), (2368, 28187), (2627, 25408), (3176, 21016), (4544, 14689), (5254, 12704), (6352, 10508)]