138880188

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 366191280

約数和(自身を除く): 227311092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 137, 174, 261, 274, 348, 411, 522, 548, 822, 971, 1044, 1233, 1644, 1942, 2466, 2913, 3884, 3973, 4932, 5826, 7946, 8739, 11652, 11919, 15892, 17478, 23838, 28159, 34956, 35757, 47676, 56318, 71514, 84477, 112636, 133027, 143028, 168954, 253431, 266054, 337908, 399081, 506862, 532108, 798162, 1013724, 1197243, 1596324, 2394486, 3857783, 4788972, 7715566, 11573349, 15431132, 23146698, 34720047, 46293396, 69440094, 138880188]

約数ペア:

[(1, 138880188), (2, 69440094), (3, 46293396), (4, 34720047), (6, 23146698), (9, 15431132), (12, 11573349), (18, 7715566), (29, 4788972), (36, 3857783), (58, 2394486), (87, 1596324), (116, 1197243), (137, 1013724), (174, 798162), (261, 532108), (274, 506862), (348, 399081), (411, 337908), (522, 266054), (548, 253431), (822, 168954), (971, 143028), (1044, 133027), (1233, 112636), (1644, 84477), (1942, 71514), (2466, 56318), (2913, 47676), (3884, 35757), (3973, 34956), (4932, 28159), (5826, 23838), (7946, 17478), (8739, 15892), (11652, 11919)]