3988270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2789}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 8436960

約数和(自身を除く): 4448690

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 2789, 5578, 13945, 27890, 30679, 36257, 61358, 72514, 153395, 181285, 306790, 362570, 398827, 797654, 1994135, 3988270]

約数ペア:

[(1, 3988270), (2, 1994135), (5, 797654), (10, 398827), (11, 362570), (13, 306790), (22, 181285), (26, 153395), (55, 72514), (65, 61358), (110, 36257), (130, 30679), (143, 27890), (286, 13945), (715, 5578), (1430, 2789)]