28143290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 58095360

約数和(自身を除く): 29952070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 983, 1966, 2045, 2863, 4090, 4915, 5726, 6881, 9830, 13762, 14315, 28630, 34405, 68810, 402047, 804094, 2010235, 2814329, 4020470, 5628658, 14071645, 28143290]

約数ペア:

[(1, 28143290), (2, 14071645), (5, 5628658), (7, 4020470), (10, 2814329), (14, 2010235), (35, 804094), (70, 402047), (409, 68810), (818, 34405), (983, 28630), (1966, 14315), (2045, 13762), (2863, 9830), (4090, 6881), (4915, 5726)]