220139998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{64633}}^1$

素因数の和:64779

約数の個数: 16

約数和(自身を含む): 358330896

約数和(自身を除く): 138190898

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 64633, 129266, 840229, 1680458, 8466923, 16933846, 110069999, 220139998]

約数ペア:

[(1, 220139998), (2, 110069999), (13, 16933846), (26, 8466923), (131, 1680458), (262, 840229), (1703, 129266), (3406, 64633)]