78866516

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2027}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 141051456

約数和(自身を除く): 62184940

約数列:

[1, 2, 4, 71, 137, 142, 274, 284, 548, 2027, 4054, 8108, 9727, 19454, 38908, 143917, 277699, 287834, 555398, 575668, 1110796, 19716629, 39433258, 78866516]

約数ペア:

[(1, 78866516), (2, 39433258), (4, 19716629), (71, 1110796), (137, 575668), (142, 555398), (274, 287834), (284, 277699), (548, 143917), (2027, 38908), (4054, 19454), (8108, 9727)]