28679890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{1021}}^1$

素因数の和:1134

約数の個数: 24

約数和(自身を含む): 52667748

約数和(自身を除く): 23987858

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 1021, 2042, 2809, 5105, 5618, 10210, 14045, 28090, 54113, 108226, 270565, 541130, 2867989, 5735978, 14339945, 28679890]

約数ペア:

[(1, 28679890), (2, 14339945), (5, 5735978), (10, 2867989), (53, 541130), (106, 270565), (265, 108226), (530, 54113), (1021, 28090), (2042, 14045), (2809, 10210), (5105, 5618)]