1601456

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1100

約数の個数: 20

約数和(自身を含む): 3136704

約数和(自身を除く): 1535248

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 991, 1616, 1982, 3964, 7928, 15856, 100091, 200182, 400364, 800728, 1601456]

約数ペア:

[(1, 1601456), (2, 800728), (4, 400364), (8, 200182), (16, 100091), (101, 15856), (202, 7928), (404, 3964), (808, 1982), (991, 1616)]