28317569

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 33094656

約数和(自身を除く): 4777087

約数列:

[1, 7, 71, 227, 251, 497, 1589, 1757, 16117, 17821, 56977, 112819, 124747, 398839, 4045367, 28317569]

約数ペア:

[(1, 28317569), (7, 4045367), (71, 398839), (227, 124747), (251, 112819), (497, 56977), (1589, 17821), (1757, 16117)]