31209856

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 67258800

約数和(自身を除く): 36048944

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 152, 164, 304, 313, 328, 608, 626, 656, 779, 1216, 1252, 1312, 1558, 2432, 2504, 2624, 3116, 5008, 5248, 5947, 6232, 10016, 11894, 12464, 12833, 20032, 23788, 24928, 25666, 40064, 47576, 49856, 51332, 95152, 99712, 102664, 190304, 205328, 243827, 380608, 410656, 487654, 761216, 821312, 975308, 1642624, 1950616, 3901232, 7802464, 15604928, 31209856]

約数ペア:

[(1, 31209856), (2, 15604928), (4, 7802464), (8, 3901232), (16, 1950616), (19, 1642624), (32, 975308), (38, 821312), (41, 761216), (64, 487654), (76, 410656), (82, 380608), (128, 243827), (152, 205328), (164, 190304), (304, 102664), (313, 99712), (328, 95152), (608, 51332), (626, 49856), (656, 47576), (779, 40064), (1216, 25666), (1252, 24928), (1312, 23788), (1558, 20032), (2432, 12833), (2504, 12464), (2624, 11894), (3116, 10016), (5008, 6232), (5248, 5947)]