90990718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9433}}^1$

素因数の和:9508

約数の個数: 32

約数和(自身を含む): 171170496

約数和(自身を除く): 80179778

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 4823, 9433, 9646, 18866, 66031, 122629, 132062, 245258, 499949, 858403, 999898, 1716806, 3499643, 6499337, 6999286, 12998674, 45495359, 90990718]

約数ペア:

[(1, 90990718), (2, 45495359), (7, 12998674), (13, 6999286), (14, 6499337), (26, 3499643), (53, 1716806), (91, 999898), (106, 858403), (182, 499949), (371, 245258), (689, 132062), (742, 122629), (1378, 66031), (4823, 18866), (9433, 9646)]