81536234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 136515456

約数和(自身を除く): 54979222

約数列:

[1, 2, 13, 26, 37, 74, 131, 262, 481, 647, 962, 1294, 1703, 3406, 4847, 8411, 9694, 16822, 23939, 47878, 63011, 84757, 126022, 169514, 311207, 622414, 1101841, 2203682, 3136009, 6272018, 40768117, 81536234]

約数ペア:

[(1, 81536234), (2, 40768117), (13, 6272018), (26, 3136009), (37, 2203682), (74, 1101841), (131, 622414), (262, 311207), (481, 169514), (647, 126022), (962, 84757), (1294, 63011), (1703, 47878), (3406, 23939), (4847, 16822), (8411, 9694)]