72139942

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4969}}^1$

素因数の和:5056

約数の個数: 32

約数和(自身を含む): 133116480

約数和(自身を除く): 60976538

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 2074, 4969, 7259, 9938, 14518, 34783, 69566, 84473, 168946, 303109, 591311, 606218, 1182622, 2121763, 4243526, 5152853, 10305706, 36069971, 72139942]

約数ペア:

[(1, 72139942), (2, 36069971), (7, 10305706), (14, 5152853), (17, 4243526), (34, 2121763), (61, 1182622), (119, 606218), (122, 591311), (238, 303109), (427, 168946), (854, 84473), (1037, 69566), (2074, 34783), (4969, 14518), (7259, 9938)]