7884890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 15434496

約数和(自身を除く): 7549606

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 463, 655, 926, 1310, 1703, 2315, 3406, 4630, 6019, 8515, 12038, 17030, 30095, 60190, 60653, 121306, 303265, 606530, 788489, 1576978, 3942445, 7884890]

約数ペア:

[(1, 7884890), (2, 3942445), (5, 1576978), (10, 788489), (13, 606530), (26, 303265), (65, 121306), (130, 60653), (131, 60190), (262, 30095), (463, 17030), (655, 12038), (926, 8515), (1310, 6019), (1703, 4630), (2315, 3406)]