71421584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{343373}}^1$

素因数の和:343394

約数の個数: 20

約数和(自身を含む): 149024316

約数和(自身を除く): 77602732

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 343373, 686746, 1373492, 2746984, 4463849, 5493968, 8927698, 17855396, 35710792, 71421584]

約数ペア:

[(1, 71421584), (2, 35710792), (4, 17855396), (8, 8927698), (13, 5493968), (16, 4463849), (26, 2746984), (52, 1373492), (104, 686746), (208, 343373)]