28439866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 52778880

約数和(自身を除く): 24339014

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 307, 509, 614, 1018, 2149, 3563, 3991, 4298, 6617, 7126, 7982, 13234, 27937, 46319, 55874, 92638, 156263, 312526, 1093841, 2031419, 2187682, 4062838, 14219933, 28439866]

約数ペア:

[(1, 28439866), (2, 14219933), (7, 4062838), (13, 2187682), (14, 2031419), (26, 1093841), (91, 312526), (182, 156263), (307, 92638), (509, 55874), (614, 46319), (1018, 27937), (2149, 13234), (3563, 7982), (3991, 7126), (4298, 6617)]