87201488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 196862400

約数和(自身を除く): 109660912

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 89, 152, 176, 178, 209, 293, 304, 356, 418, 586, 712, 836, 979, 1172, 1424, 1672, 1691, 1958, 2344, 3223, 3344, 3382, 3916, 4688, 5567, 6446, 6764, 7832, 11134, 12892, 13528, 15664, 18601, 22268, 25784, 26077, 27056, 37202, 44536, 51568, 52154, 61237, 74404, 89072, 104308, 122474, 148808, 208616, 244948, 286847, 297616, 417232, 489896, 495463, 573694, 979792, 990926, 1147388, 1981852, 2294776, 3963704, 4589552, 5450093, 7927408, 10900186, 21800372, 43600744, 87201488]

約数ペア:

[(1, 87201488), (2, 43600744), (4, 21800372), (8, 10900186), (11, 7927408), (16, 5450093), (19, 4589552), (22, 3963704), (38, 2294776), (44, 1981852), (76, 1147388), (88, 990926), (89, 979792), (152, 573694), (176, 495463), (178, 489896), (209, 417232), (293, 297616), (304, 286847), (356, 244948), (418, 208616), (586, 148808), (712, 122474), (836, 104308), (979, 89072), (1172, 74404), (1424, 61237), (1672, 52154), (1691, 51568), (1958, 44536), (2344, 37202), (3223, 27056), (3344, 26077), (3382, 25784), (3916, 22268), (4688, 18601), (5567, 15664), (6446, 13528), (6764, 12892), (7832, 11134)]