47971534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{20731}}^1$

素因数の和:20835

約数の個数: 16

約数和(自身を含む): 78366960

約数和(自身を除く): 30395426

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 20731, 41462, 269503, 539006, 1845059, 3690118, 23985767, 47971534]

約数ペア:

[(1, 47971534), (2, 23985767), (13, 3690118), (26, 1845059), (89, 539006), (178, 269503), (1157, 41462), (2314, 20731)]