28399696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136537}}^1$

素因数の和:136558

約数の個数: 20

約数和(自身を含む): 59257492

約数和(自身を除く): 30857796

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136537, 273074, 546148, 1092296, 1774981, 2184592, 3549962, 7099924, 14199848, 28399696]

約数ペア:

[(1, 28399696), (2, 14199848), (4, 7099924), (8, 3549962), (13, 2184592), (16, 1774981), (26, 1092296), (52, 546148), (104, 273074), (208, 136537)]