201914836

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{638971}}^1$

素因数の和:639054

約数の個数: 12

約数和(自身を含む): 357824320

約数和(自身を除く): 155909484

約数列:

[1, 2, 4, 79, 158, 316, 638971, 1277942, 2555884, 50478709, 100957418, 201914836]

約数ペア:

[(1, 201914836), (2, 100957418), (4, 50478709), (79, 2555884), (158, 1277942), (316, 638971)]