1661544005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{78877}}^1$

素因数の和:79276

約数の個数: 16

約数和(自身を含む): 2180818944

約数和(自身を除く): 519274939

約数列:

[1, 5, 11, 55, 383, 1915, 4213, 21065, 78877, 394385, 867647, 4338235, 30209891, 151049455, 332308801, 1661544005]

約数ペア:

[(1, 1661544005), (5, 332308801), (11, 151049455), (55, 30209891), (383, 4338235), (1915, 867647), (4213, 394385), (21065, 78877)]