1286584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 2646000

約数和(自身を除く): 1359416

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 139, 178, 278, 356, 556, 712, 1112, 1157, 1807, 2314, 3614, 4628, 7228, 9256, 12371, 14456, 24742, 49484, 98968, 160823, 321646, 643292, 1286584]

約数ペア:

[(1, 1286584), (2, 643292), (4, 321646), (8, 160823), (13, 98968), (26, 49484), (52, 24742), (89, 14456), (104, 12371), (139, 9256), (178, 7228), (278, 4628), (356, 3614), (556, 2314), (712, 1807), (1112, 1157)]