311639216

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{20921}}^1$

素因数の和:20962

約数の個数: 60

約数和(自身を含む): 739383480

約数和(自身を除く): 427744264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1862, 2128, 3724, 7448, 14896, 20921, 41842, 83684, 146447, 167368, 292894, 334736, 397499, 585788, 794998, 1025129, 1171576, 1589996, 2050258, 2343152, 2782493, 3179992, 4100516, 5564986, 6359984, 8201032, 11129972, 16402064, 19477451, 22259944, 38954902, 44519888, 77909804, 155819608, 311639216]

約数ペア:

[(1, 311639216), (2, 155819608), (4, 77909804), (7, 44519888), (8, 38954902), (14, 22259944), (16, 19477451), (19, 16402064), (28, 11129972), (38, 8201032), (49, 6359984), (56, 5564986), (76, 4100516), (98, 3179992), (112, 2782493), (133, 2343152), (152, 2050258), (196, 1589996), (266, 1171576), (304, 1025129), (392, 794998), (532, 585788), (784, 397499), (931, 334736), (1064, 292894), (1862, 167368), (2128, 146447), (3724, 83684), (7448, 41842), (14896, 20921)]