78878728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7309}}^1$

素因数の和:7405

約数の個数: 32

約数和(自身を含む): 157896000

約数和(自身を除く): 79017272

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 2698, 5396, 7309, 10792, 14618, 29236, 58472, 138871, 277742, 518939, 555484, 1037878, 1110968, 2075756, 4151512, 9859841, 19719682, 39439364, 78878728]

約数ペア:

[(1, 78878728), (2, 39439364), (4, 19719682), (8, 9859841), (19, 4151512), (38, 2075756), (71, 1110968), (76, 1037878), (142, 555484), (152, 518939), (284, 277742), (568, 138871), (1349, 58472), (2698, 29236), (5396, 14618), (7309, 10792)]