28920976

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1056

約数の個数: 60

約数和(自身を含む): 67011708

約数和(自身を除く): 38090732

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 784, 997, 1036, 1813, 1994, 2072, 3626, 3988, 4144, 6979, 7252, 7976, 13958, 14504, 15952, 27916, 29008, 36889, 48853, 55832, 73778, 97706, 111664, 147556, 195412, 258223, 295112, 390824, 516446, 590224, 781648, 1032892, 1807561, 2065784, 3615122, 4131568, 7230244, 14460488, 28920976]

約数ペア:

[(1, 28920976), (2, 14460488), (4, 7230244), (7, 4131568), (8, 3615122), (14, 2065784), (16, 1807561), (28, 1032892), (37, 781648), (49, 590224), (56, 516446), (74, 390824), (98, 295112), (112, 258223), (148, 195412), (196, 147556), (259, 111664), (296, 97706), (392, 73778), (518, 55832), (592, 48853), (784, 36889), (997, 29008), (1036, 27916), (1813, 15952), (1994, 14504), (2072, 13958), (3626, 7976), (3988, 7252), (4144, 6979)]