163967045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 219801600

約数和(自身を除く): 55834555

約数列:

[1, 5, 11, 55, 71, 199, 211, 355, 781, 995, 1055, 2189, 2321, 3905, 10945, 11605, 14129, 14981, 41989, 70645, 74905, 155419, 164791, 209945, 461879, 777095, 823955, 2309395, 2981219, 14906095, 32793409, 163967045]

約数ペア:

[(1, 163967045), (5, 32793409), (11, 14906095), (55, 2981219), (71, 2309395), (199, 823955), (211, 777095), (355, 461879), (781, 209945), (995, 164791), (1055, 155419), (2189, 74905), (2321, 70645), (3905, 41989), (10945, 14981), (11605, 14129)]