128527328

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 261382464

約数和(自身を除く): 132855136

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 97, 188, 194, 376, 388, 752, 776, 881, 1504, 1552, 1762, 3104, 3524, 4559, 7048, 9118, 14096, 18236, 28192, 36472, 41407, 72944, 82814, 85457, 145888, 165628, 170914, 331256, 341828, 662512, 683656, 1325024, 1367312, 2734624, 4016479, 8032958, 16065916, 32131832, 64263664, 128527328]

約数ペア:

[(1, 128527328), (2, 64263664), (4, 32131832), (8, 16065916), (16, 8032958), (32, 4016479), (47, 2734624), (94, 1367312), (97, 1325024), (188, 683656), (194, 662512), (376, 341828), (388, 331256), (752, 170914), (776, 165628), (881, 145888), (1504, 85457), (1552, 82814), (1762, 72944), (3104, 41407), (3524, 36472), (4559, 28192), (7048, 18236), (9118, 14096)]