128446448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{617531}}^1$

素因数の和:617552

約数の個数: 20

約数和(自身を含む): 268008888

約数和(自身を除く): 139562440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 617531, 1235062, 2470124, 4940248, 8027903, 9880496, 16055806, 32111612, 64223224, 128446448]

約数ペア:

[(1, 128446448), (2, 64223224), (4, 32111612), (8, 16055806), (13, 9880496), (16, 8027903), (26, 4940248), (52, 2470124), (104, 1235062), (208, 617531)]