2181291385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{102001}}^1$

素因数の和:102073

約数の個数: 32

約数和(自身を含む): 3290176512

約数和(自身を除く): 1108885127

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 4277, 21385, 102001, 510005, 714007, 1326013, 3570035, 4794047, 6630065, 9282091, 23970235, 33558329, 46410455, 62322611, 167791645, 311613055, 436258277, 2181291385]

約数ペア:

[(1, 2181291385), (5, 436258277), (7, 311613055), (13, 167791645), (35, 62322611), (47, 46410455), (65, 33558329), (91, 23970235), (235, 9282091), (329, 6630065), (455, 4794047), (611, 3570035), (1645, 1326013), (3055, 714007), (4277, 510005), (21385, 102001)]