199169744

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{157571}}^1$

素因数の和:157658

約数の個数: 20

約数和(自身を含む): 390778560

約数和(自身を除く): 191608816

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 157571, 315142, 630284, 1260568, 2521136, 12448109, 24896218, 49792436, 99584872, 199169744]

約数ペア:

[(1, 199169744), (2, 99584872), (4, 49792436), (8, 24896218), (16, 12448109), (79, 2521136), (158, 1260568), (316, 630284), (632, 315142), (1264, 157571)]