31871346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{408607}}^1$

素因数の和:408625

約数の個数: 16

約数和(自身を含む): 68646144

約数和(自身を除く): 36774798

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 408607, 817214, 1225821, 2451642, 5311891, 10623782, 15935673, 31871346]

約数ペア:

[(1, 31871346), (2, 15935673), (3, 10623782), (6, 5311891), (13, 2451642), (26, 1225821), (39, 817214), (78, 408607)]