219121454

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:896

約数の個数: 24

約数和(自身を含む): 342108360

約数和(自身を除く): 122986906

約数列:

[1, 2, 31, 62, 173, 346, 659, 961, 1318, 1922, 5363, 10726, 20429, 40858, 114007, 166253, 228014, 332506, 633299, 1266598, 3534217, 7068434, 109560727, 219121454]

約数ペア:

[(1, 219121454), (2, 109560727), (31, 7068434), (62, 3534217), (173, 1266598), (346, 633299), (659, 332506), (961, 228014), (1318, 166253), (1922, 114007), (5363, 40858), (10726, 20429)]