81603898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{4219}}^1$

素因数の和:4749

約数の個数: 16

約数和(自身を含む): 129132000

約数和(自身を除く): 47528102

約数列:

[1, 2, 19, 38, 509, 1018, 4219, 8438, 9671, 19342, 80161, 160322, 2147471, 4294942, 40801949, 81603898]

約数ペア:

[(1, 81603898), (2, 40801949), (19, 4294942), (38, 2147471), (509, 160322), (1018, 80161), (4219, 19342), (8438, 9671)]