257231568

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2473}}^1$

素因数の和:2692

約数の個数: 80

約数和(自身を含む): 728899776

約数和(自身を除く): 471668208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 197, 264, 394, 528, 591, 788, 1182, 1576, 2167, 2364, 2473, 3152, 4334, 4728, 4946, 6501, 7419, 8668, 9456, 9892, 13002, 14838, 17336, 19784, 26004, 27203, 29676, 34672, 39568, 52008, 54406, 59352, 81609, 104016, 108812, 118704, 163218, 217624, 326436, 435248, 487181, 652872, 974362, 1305744, 1461543, 1948724, 2923086, 3897448, 5358991, 5846172, 7794896, 10717982, 11692344, 16076973, 21435964, 23384688, 32153946, 42871928, 64307892, 85743856, 128615784, 257231568]

約数ペア:

[(1, 257231568), (2, 128615784), (3, 85743856), (4, 64307892), (6, 42871928), (8, 32153946), (11, 23384688), (12, 21435964), (16, 16076973), (22, 11692344), (24, 10717982), (33, 7794896), (44, 5846172), (48, 5358991), (66, 3897448), (88, 2923086), (132, 1948724), (176, 1461543), (197, 1305744), (264, 974362), (394, 652872), (528, 487181), (591, 435248), (788, 326436), (1182, 217624), (1576, 163218), (2167, 118704), (2364, 108812), (2473, 104016), (3152, 81609), (4334, 59352), (4728, 54406), (4946, 52008), (6501, 39568), (7419, 34672), (8668, 29676), (9456, 27203), (9892, 26004), (13002, 19784), (14838, 17336)]