219478028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{64781}}^1$

素因数の和:64814

約数の個数: 36

約数和(自身を含む): 482496336

約数和(自身を除く): 263018308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 64781, 129562, 259124, 453467, 712591, 906934, 1425182, 1813868, 2850364, 4988137, 7838501, 9976274, 15677002, 19952548, 31354004, 54869507, 109739014, 219478028]

約数ペア:

[(1, 219478028), (2, 109739014), (4, 54869507), (7, 31354004), (11, 19952548), (14, 15677002), (22, 9976274), (28, 7838501), (44, 4988137), (77, 2850364), (121, 1813868), (154, 1425182), (242, 906934), (308, 712591), (484, 453467), (847, 259124), (1694, 129562), (3388, 64781)]