28292810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31091}}^1$

素因数の和:31118

約数の個数: 32

約数和(自身を含む): 62681472

約数和(自身を除く): 34388662

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31091, 62182, 155455, 217637, 310910, 404183, 435274, 808366, 1088185, 2020915, 2176370, 2829281, 4041830, 5658562, 14146405, 28292810]

約数ペア:

[(1, 28292810), (2, 14146405), (5, 5658562), (7, 4041830), (10, 2829281), (13, 2176370), (14, 2020915), (26, 1088185), (35, 808366), (65, 435274), (70, 404183), (91, 310910), (130, 217637), (182, 155455), (455, 62182), (910, 31091)]