31780528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{152791}}^1$

素因数の和:152812

約数の個数: 20

約数和(自身を含む): 66311728

約数和(自身を除く): 34531200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 152791, 305582, 611164, 1222328, 1986283, 2444656, 3972566, 7945132, 15890264, 31780528]

約数ペア:

[(1, 31780528), (2, 15890264), (4, 7945132), (8, 3972566), (13, 2444656), (16, 1986283), (26, 1222328), (52, 611164), (104, 305582), (208, 152791)]