31289648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{150431}}^1$

素因数の和:150452

約数の個数: 20

約数和(自身を含む): 65287488

約数和(自身を除く): 33997840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 150431, 300862, 601724, 1203448, 1955603, 2406896, 3911206, 7822412, 15644824, 31289648]

約数ペア:

[(1, 31289648), (2, 15644824), (4, 7822412), (8, 3911206), (13, 2406896), (16, 1955603), (26, 1203448), (52, 601724), (104, 300862), (208, 150431)]