211478278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{73379}}^1$

素因数の和:73523

約数の個数: 16

約数和(自身を含む): 348701760

約数和(自身を除く): 137223482

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 73379, 146758, 807169, 1614338, 9612649, 19225298, 105739139, 211478278]

約数ペア:

[(1, 211478278), (2, 105739139), (11, 19225298), (22, 9612649), (131, 1614338), (262, 807169), (1441, 146758), (2882, 73379)]