81575248

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{299909}}^1$

素因数の和:299934

約数の個数: 20

約数和(自身を含む): 167349780

約数和(自身を除く): 85774532

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299909, 599818, 1199636, 2399272, 4798544, 5098453, 10196906, 20393812, 40787624, 81575248]

約数ペア:

[(1, 81575248), (2, 40787624), (4, 20393812), (8, 10196906), (16, 5098453), (17, 4798544), (34, 2399272), (68, 1199636), (136, 599818), (272, 299909)]