28980770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31847}}^1$

素因数の和:31874

約数の個数: 32

約数和(自身を含む): 64205568

約数和(自身を除く): 35224798

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31847, 63694, 159235, 222929, 318470, 414011, 445858, 828022, 1114645, 2070055, 2229290, 2898077, 4140110, 5796154, 14490385, 28980770]

約数ペア:

[(1, 28980770), (2, 14490385), (5, 5796154), (7, 4140110), (10, 2898077), (13, 2229290), (14, 2070055), (26, 1114645), (35, 828022), (65, 445858), (70, 414011), (91, 318470), (130, 222929), (182, 159235), (455, 63694), (910, 31847)]