261738736

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{20681}}^1$

素因数の和:20809

約数の個数: 40

約数和(自身を含む): 584721504

約数和(自身を除く): 322982768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 3164, 6328, 12656, 20681, 41362, 82724, 144767, 165448, 289534, 330896, 579068, 1158136, 2316272, 2336953, 4673906, 9347812, 16358671, 18695624, 32717342, 37391248, 65434684, 130869368, 261738736]

約数ペア:

[(1, 261738736), (2, 130869368), (4, 65434684), (7, 37391248), (8, 32717342), (14, 18695624), (16, 16358671), (28, 9347812), (56, 4673906), (112, 2336953), (113, 2316272), (226, 1158136), (452, 579068), (791, 330896), (904, 289534), (1582, 165448), (1808, 144767), (3164, 82724), (6328, 41362), (12656, 20681)]