128539873

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 174666240

約数和(自身を除く): 46126367

約数列:

[1, 7, 11, 17, 77, 79, 113, 119, 121, 187, 553, 791, 847, 869, 1243, 1309, 1343, 1921, 2057, 6083, 8701, 8927, 9401, 9559, 13447, 13673, 14399, 14773, 21131, 62489, 66913, 95711, 98197, 103411, 147917, 151759, 162503, 232441, 687379, 1062313, 1080167, 1137521, 1627087, 1669349, 7561169, 11685443, 18362839, 128539873]

約数ペア:

[(1, 128539873), (7, 18362839), (11, 11685443), (17, 7561169), (77, 1669349), (79, 1627087), (113, 1137521), (119, 1080167), (121, 1062313), (187, 687379), (553, 232441), (791, 162503), (847, 151759), (869, 147917), (1243, 103411), (1309, 98197), (1343, 95711), (1921, 66913), (2057, 62489), (6083, 21131), (8701, 14773), (8927, 14399), (9401, 13673), (9559, 13447)]