90804808

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{2207}}^1$

素因数の和:2389

約数の個数: 32

約数和(自身を含む): 176198400

約数和(自身を除く): 85393592

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 278, 296, 556, 1112, 2207, 4414, 5143, 8828, 10286, 17656, 20572, 41144, 81659, 163318, 306773, 326636, 613546, 653272, 1227092, 2454184, 11350601, 22701202, 45402404, 90804808]

約数ペア:

[(1, 90804808), (2, 45402404), (4, 22701202), (8, 11350601), (37, 2454184), (74, 1227092), (139, 653272), (148, 613546), (278, 326636), (296, 306773), (556, 163318), (1112, 81659), (2207, 41144), (4414, 20572), (5143, 17656), (8828, 10286)]