31666768

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 45471152

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 266, 304, 322, 368, 437, 532, 644, 647, 874, 1064, 1288, 1294, 1748, 2128, 2576, 2588, 3059, 3496, 4529, 5176, 6118, 6992, 9058, 10352, 12236, 12293, 14881, 18116, 24472, 24586, 29762, 36232, 48944, 49172, 59524, 72464, 86051, 98344, 104167, 119048, 172102, 196688, 208334, 238096, 282739, 344204, 416668, 565478, 688408, 833336, 1130956, 1376816, 1666672, 1979173, 2261912, 3958346, 4523824, 7916692, 15833384, 31666768]

約数ペア:

[(1, 31666768), (2, 15833384), (4, 7916692), (7, 4523824), (8, 3958346), (14, 2261912), (16, 1979173), (19, 1666672), (23, 1376816), (28, 1130956), (38, 833336), (46, 688408), (56, 565478), (76, 416668), (92, 344204), (112, 282739), (133, 238096), (152, 208334), (161, 196688), (184, 172102), (266, 119048), (304, 104167), (322, 98344), (368, 86051), (437, 72464), (532, 59524), (644, 49172), (647, 48944), (874, 36232), (1064, 29762), (1288, 24586), (1294, 24472), (1748, 18116), (2128, 14881), (2576, 12293), (2588, 12236), (3059, 10352), (3496, 9058), (4529, 6992), (5176, 6118)]