81477188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{11437}}^1$

素因数の和:11591

約数の個数: 24

約数和(自身を含む): 154687512

約数和(自身を除く): 73210324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 11437, 22874, 45748, 148681, 297362, 594724, 1566869, 3133738, 6267476, 20369297, 40738594, 81477188]

約数ペア:

[(1, 81477188), (2, 40738594), (4, 20369297), (13, 6267476), (26, 3133738), (52, 1566869), (137, 594724), (274, 297362), (548, 148681), (1781, 45748), (3562, 22874), (7124, 11437)]