138828478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{117851}}^1$

素因数の和:117903

約数の個数: 16

約数和(自身を含む): 226275840

約数和(自身を除く): 87447362

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 117851, 235702, 2239169, 3653381, 4478338, 7306762, 69414239, 138828478]

約数ペア:

[(1, 138828478), (2, 69414239), (19, 7306762), (31, 4478338), (38, 3653381), (62, 2239169), (589, 235702), (1178, 117851)]