257972928

素因数分解:

$2^6\times 3^1\times {\mathrm{163}}^1\times {\mathrm{8243}}^1$

素因数の和:8421

約数の個数: 56

約数和(自身を含む): 686824128

約数和(自身を除く): 428851200

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 163, 192, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 5216, 7824, 8243, 10432, 15648, 16486, 24729, 31296, 32972, 49458, 65944, 98916, 131888, 197832, 263776, 395664, 527552, 791328, 1343609, 1582656, 2687218, 4030827, 5374436, 8061654, 10748872, 16123308, 21497744, 32246616, 42995488, 64493232, 85990976, 128986464, 257972928]

約数ペア:

[(1, 257972928), (2, 128986464), (3, 85990976), (4, 64493232), (6, 42995488), (8, 32246616), (12, 21497744), (16, 16123308), (24, 10748872), (32, 8061654), (48, 5374436), (64, 4030827), (96, 2687218), (163, 1582656), (192, 1343609), (326, 791328), (489, 527552), (652, 395664), (978, 263776), (1304, 197832), (1956, 131888), (2608, 98916), (3912, 65944), (5216, 49458), (7824, 32972), (8243, 31296), (10432, 24729), (15648, 16486)]