129070448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{620531}}^1$

素因数の和:620552

約数の個数: 20

約数和(自身を含む): 269310888

約数和(自身を除く): 140240440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 620531, 1241062, 2482124, 4964248, 8066903, 9928496, 16133806, 32267612, 64535224, 129070448]

約数ペア:

[(1, 129070448), (2, 64535224), (4, 32267612), (8, 16133806), (13, 9928496), (16, 8066903), (26, 4964248), (52, 2482124), (104, 1241062), (208, 620531)]