81598328

素因数分解:

$2^3\times 7^3\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 180576000

約数和(自身を除く): 98977672

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 131, 196, 227, 262, 343, 392, 454, 524, 686, 908, 917, 1048, 1372, 1589, 1816, 1834, 2744, 3178, 3668, 6356, 6419, 7336, 11123, 12712, 12838, 22246, 25676, 29737, 44492, 44933, 51352, 59474, 77861, 88984, 89866, 118948, 155722, 179732, 208159, 237896, 311444, 359464, 416318, 622888, 832636, 1457113, 1665272, 2914226, 5828452, 10199791, 11656904, 20399582, 40799164, 81598328]

約数ペア:

[(1, 81598328), (2, 40799164), (4, 20399582), (7, 11656904), (8, 10199791), (14, 5828452), (28, 2914226), (49, 1665272), (56, 1457113), (98, 832636), (131, 622888), (196, 416318), (227, 359464), (262, 311444), (343, 237896), (392, 208159), (454, 179732), (524, 155722), (686, 118948), (908, 89866), (917, 88984), (1048, 77861), (1372, 59474), (1589, 51352), (1816, 44933), (1834, 44492), (2744, 29737), (3178, 25676), (3668, 22246), (6356, 12838), (6419, 12712), (7336, 11123)]