257742156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{1931}}^1$

素因数の和:2179

約数の個数: 72

約数和(自身を含む): 703031616

約数和(自身を除く): 445289460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 227, 294, 454, 588, 681, 908, 1362, 1589, 1931, 2724, 3178, 3862, 4767, 5793, 6356, 7724, 9534, 11123, 11586, 13517, 19068, 22246, 23172, 27034, 33369, 40551, 44492, 54068, 66738, 81102, 94619, 133476, 162204, 189238, 283857, 378476, 438337, 567714, 876674, 1135428, 1315011, 1753348, 2630022, 3068359, 5260044, 6136718, 9205077, 12273436, 18410154, 21478513, 36820308, 42957026, 64435539, 85914052, 128871078, 257742156]

約数ペア:

[(1, 257742156), (2, 128871078), (3, 85914052), (4, 64435539), (6, 42957026), (7, 36820308), (12, 21478513), (14, 18410154), (21, 12273436), (28, 9205077), (42, 6136718), (49, 5260044), (84, 3068359), (98, 2630022), (147, 1753348), (196, 1315011), (227, 1135428), (294, 876674), (454, 567714), (588, 438337), (681, 378476), (908, 283857), (1362, 189238), (1589, 162204), (1931, 133476), (2724, 94619), (3178, 81102), (3862, 66738), (4767, 54068), (5793, 44492), (6356, 40551), (7724, 33369), (9534, 27034), (11123, 23172), (11586, 22246), (13517, 19068)]