258889708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{1039}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 566092800

約数和(自身を除く): 307203092

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 809, 1039, 1618, 2078, 3236, 4156, 5663, 7273, 8899, 11326, 11429, 14546, 17798, 22652, 22858, 29092, 35596, 45716, 62293, 80003, 124586, 160006, 249172, 320012, 840551, 1681102, 3362204, 5883857, 9246061, 11767714, 18492122, 23535428, 36984244, 64722427, 129444854, 258889708]

約数ペア:

[(1, 258889708), (2, 129444854), (4, 64722427), (7, 36984244), (11, 23535428), (14, 18492122), (22, 11767714), (28, 9246061), (44, 5883857), (77, 3362204), (154, 1681102), (308, 840551), (809, 320012), (1039, 249172), (1618, 160006), (2078, 124586), (3236, 80003), (4156, 62293), (5663, 45716), (7273, 35596), (8899, 29092), (11326, 22858), (11429, 22652), (14546, 17798)]