12891671

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 15233904

約数和(自身を除く): 2342233

約数列:

[1, 13, 19, 41, 67, 247, 361, 533, 779, 871, 1273, 2747, 4693, 10127, 14801, 16549, 24187, 35711, 52193, 192413, 314431, 678509, 991667, 12891671]

約数ペア:

[(1, 12891671), (13, 991667), (19, 678509), (41, 314431), (67, 192413), (247, 52193), (361, 35711), (533, 24187), (779, 16549), (871, 14801), (1273, 10127), (2747, 4693)]