128580802

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 231166008

約数和(自身を除く): 102585206

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 137, 157, 274, 314, 427, 854, 959, 1099, 1918, 2198, 2989, 5978, 6713, 7693, 8357, 9577, 13426, 15386, 16714, 19154, 21509, 43018, 58499, 67039, 116998, 134078, 150563, 301126, 409493, 469273, 818986, 938546, 1053941, 1312049, 2107882, 2624098, 9184343, 18368686, 64290401, 128580802]

約数ペア:

[(1, 128580802), (2, 64290401), (7, 18368686), (14, 9184343), (49, 2624098), (61, 2107882), (98, 1312049), (122, 1053941), (137, 938546), (157, 818986), (274, 469273), (314, 409493), (427, 301126), (854, 150563), (959, 134078), (1099, 116998), (1918, 67039), (2198, 58499), (2989, 43018), (5978, 21509), (6713, 19154), (7693, 16714), (8357, 15386), (9577, 13426)]