131215616

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1979}}^1$

素因数の和:2039

約数の個数: 72

約数和(自身を含む): 307581120

約数和(自身を除く): 176365504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 518, 592, 896, 1036, 1184, 1792, 1979, 2072, 2368, 3958, 4144, 4736, 7916, 8288, 9472, 13853, 15832, 16576, 27706, 31664, 33152, 55412, 63328, 66304, 73223, 110824, 126656, 146446, 221648, 253312, 292892, 443296, 506624, 512561, 585784, 886592, 1025122, 1171568, 1773184, 2050244, 2343136, 3546368, 4100488, 4686272, 8200976, 9372544, 16401952, 18745088, 32803904, 65607808, 131215616]

約数ペア:

[(1, 131215616), (2, 65607808), (4, 32803904), (7, 18745088), (8, 16401952), (14, 9372544), (16, 8200976), (28, 4686272), (32, 4100488), (37, 3546368), (56, 2343136), (64, 2050244), (74, 1773184), (112, 1171568), (128, 1025122), (148, 886592), (224, 585784), (256, 512561), (259, 506624), (296, 443296), (448, 292892), (518, 253312), (592, 221648), (896, 146446), (1036, 126656), (1184, 110824), (1792, 73223), (1979, 66304), (2072, 63328), (2368, 55412), (3958, 33152), (4144, 31664), (4736, 27706), (7916, 16576), (8288, 15832), (9472, 13853)]