81435368

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76537}}^1$

素因数の和:76569

約数の個数: 32

約数和(自身を含む): 183691200

約数和(自身を除く): 102255832

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 76537, 153074, 306148, 535759, 612296, 1071518, 1454203, 2143036, 2908406, 4286072, 5816812, 10179421, 11633624, 20358842, 40717684, 81435368]

約数ペア:

[(1, 81435368), (2, 40717684), (4, 20358842), (7, 11633624), (8, 10179421), (14, 5816812), (19, 4286072), (28, 2908406), (38, 2143036), (56, 1454203), (76, 1071518), (133, 612296), (152, 535759), (266, 306148), (532, 153074), (1064, 76537)]