291148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 599760

約数和(自身を除く): 308612

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 509, 572, 1018, 2036, 5599, 6617, 11198, 13234, 22396, 26468, 72787, 145574, 291148]

約数ペア:

[(1, 291148), (2, 145574), (4, 72787), (11, 26468), (13, 22396), (22, 13234), (26, 11198), (44, 6617), (52, 5599), (143, 2036), (286, 1018), (509, 572)]