253897904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1220663}}^1$

素因数の和:1220684

約数の個数: 20

約数和(自身を含む): 529768176

約数和(自身を除く): 275870272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1220663, 2441326, 4882652, 9765304, 15868619, 19530608, 31737238, 63474476, 126948952, 253897904]

約数ペア:

[(1, 253897904), (2, 126948952), (4, 63474476), (8, 31737238), (13, 19530608), (16, 15868619), (26, 9765304), (52, 4882652), (104, 2441326), (208, 1220663)]