128567168

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{32401}}^1$

素因数の和:32446

約数の個数: 32

約数和(自身を含む): 264400320

約数和(自身を除く): 135833152

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 32401, 64802, 129604, 259208, 518416, 1004431, 1036832, 2008862, 2073664, 4017724, 4147328, 8035448, 16070896, 32141792, 64283584, 128567168]

約数ペア:

[(1, 128567168), (2, 64283584), (4, 32141792), (8, 16070896), (16, 8035448), (31, 4147328), (32, 4017724), (62, 2073664), (64, 2008862), (124, 1036832), (128, 1004431), (248, 518416), (496, 259208), (992, 129604), (1984, 64802), (3968, 32401)]