257084576

素因数分解:

$2^5\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1291}}^1$

素因数の和:1442

約数の個数: 72

約数和(自身を含む): 593865216

約数和(自身を除く): 336780640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 127, 196, 224, 254, 392, 508, 784, 889, 1016, 1291, 1568, 1778, 2032, 2582, 3556, 4064, 5164, 6223, 7112, 9037, 10328, 12446, 14224, 18074, 20656, 24892, 28448, 36148, 41312, 49784, 63259, 72296, 99568, 126518, 144592, 163957, 199136, 253036, 289184, 327914, 506072, 655828, 1012144, 1147699, 1311656, 2024288, 2295398, 2623312, 4590796, 5246624, 8033893, 9181592, 16067786, 18363184, 32135572, 36726368, 64271144, 128542288, 257084576]

約数ペア:

[(1, 257084576), (2, 128542288), (4, 64271144), (7, 36726368), (8, 32135572), (14, 18363184), (16, 16067786), (28, 9181592), (32, 8033893), (49, 5246624), (56, 4590796), (98, 2623312), (112, 2295398), (127, 2024288), (196, 1311656), (224, 1147699), (254, 1012144), (392, 655828), (508, 506072), (784, 327914), (889, 289184), (1016, 253036), (1291, 199136), (1568, 163957), (1778, 144592), (2032, 126518), (2582, 99568), (3556, 72296), (4064, 63259), (5164, 49784), (6223, 41312), (7112, 36148), (9037, 28448), (10328, 24892), (12446, 20656), (14224, 18074)]