161276864

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18947}}^1$

素因数の和:18985

約数の個数: 56

約数和(自身を含む): 385023360

約数和(自身を除く): 223746496

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 4256, 8512, 18947, 37894, 75788, 132629, 151576, 265258, 303152, 359993, 530516, 606304, 719986, 1061032, 1212608, 1439972, 2122064, 2519951, 2879944, 4244128, 5039902, 5759888, 8488256, 10079804, 11519776, 20159608, 23039552, 40319216, 80638432, 161276864]

約数ペア:

[(1, 161276864), (2, 80638432), (4, 40319216), (7, 23039552), (8, 20159608), (14, 11519776), (16, 10079804), (19, 8488256), (28, 5759888), (32, 5039902), (38, 4244128), (56, 2879944), (64, 2519951), (76, 2122064), (112, 1439972), (133, 1212608), (152, 1061032), (224, 719986), (266, 606304), (304, 530516), (448, 359993), (532, 303152), (608, 265258), (1064, 151576), (1216, 132629), (2128, 75788), (4256, 37894), (8512, 18947)]