81125936

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{9103}}^1$

素因数の和:9668

約数の個数: 20

約数和(自身を含む): 157480992

約数和(自身を除く): 76355056

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 9103, 18206, 36412, 72824, 145648, 5070371, 10140742, 20281484, 40562968, 81125936]

約数ペア:

[(1, 81125936), (2, 40562968), (4, 20281484), (8, 10140742), (16, 5070371), (557, 145648), (1114, 72824), (2228, 36412), (4456, 18206), (8912, 9103)]