639182032

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{449}}^1\times {\mathrm{461}}^1$

素因数の和:1111

約数の個数: 40

約数和(自身を含む): 1250310600

約数和(自身を除く): 611128568

約数列:

[1, 2, 4, 8, 16, 193, 386, 449, 461, 772, 898, 922, 1544, 1796, 1844, 3088, 3592, 3688, 7184, 7376, 86657, 88973, 173314, 177946, 206989, 346628, 355892, 413978, 693256, 711784, 827956, 1386512, 1423568, 1655912, 3311824, 39948877, 79897754, 159795508, 319591016, 639182032]

約数ペア:

[(1, 639182032), (2, 319591016), (4, 159795508), (8, 79897754), (16, 39948877), (193, 3311824), (386, 1655912), (449, 1423568), (461, 1386512), (772, 827956), (898, 711784), (922, 693256), (1544, 413978), (1796, 355892), (1844, 346628), (3088, 206989), (3592, 177946), (3688, 173314), (7184, 88973), (7376, 86657)]