81302368

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2772

約数の個数: 72

約数和(自身を含む): 196068600

約数和(自身を除く): 114766232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 784, 931, 1064, 1568, 1862, 2128, 2729, 3724, 4256, 5458, 7448, 10916, 14896, 19103, 21832, 29792, 38206, 43664, 51851, 76412, 87328, 103702, 133721, 152824, 207404, 267442, 305648, 362957, 414808, 534884, 611296, 725914, 829616, 1069768, 1451828, 1659232, 2139536, 2540699, 2903656, 4279072, 5081398, 5807312, 10162796, 11614624, 20325592, 40651184, 81302368]

約数ペア:

[(1, 81302368), (2, 40651184), (4, 20325592), (7, 11614624), (8, 10162796), (14, 5807312), (16, 5081398), (19, 4279072), (28, 2903656), (32, 2540699), (38, 2139536), (49, 1659232), (56, 1451828), (76, 1069768), (98, 829616), (112, 725914), (133, 611296), (152, 534884), (196, 414808), (224, 362957), (266, 305648), (304, 267442), (392, 207404), (532, 152824), (608, 133721), (784, 103702), (931, 87328), (1064, 76412), (1568, 51851), (1862, 43664), (2128, 38206), (2729, 29792), (3724, 21832), (4256, 19103), (5458, 14896), (7448, 10916)]