40287247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 54641664

約数和(自身を除く): 14354417

約数列:

[1, 7, 11, 13, 77, 91, 143, 167, 241, 1001, 1169, 1687, 1837, 2171, 2651, 3133, 12859, 15197, 18557, 21931, 23881, 34463, 40247, 167167, 241241, 281729, 442717, 523211, 3099019, 3662477, 5755321, 40287247]

約数ペア:

[(1, 40287247), (7, 5755321), (11, 3662477), (13, 3099019), (77, 523211), (91, 442717), (143, 281729), (167, 241241), (241, 167167), (1001, 40247), (1169, 34463), (1687, 23881), (1837, 21931), (2171, 18557), (2651, 15197), (3133, 12859)]