12913238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9371}}^1$

素因数の和:9439

約数の個数: 16

約数和(自身を含む): 21255696

約数和(自身を除く): 8342458

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 9371, 18742, 121823, 243646, 496663, 993326, 6456619, 12913238]

約数ペア:

[(1, 12913238), (2, 6456619), (13, 993326), (26, 496663), (53, 243646), (106, 121823), (689, 18742), (1378, 9371)]