30781672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 61041600

約数和(自身を除く): 30259928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 313, 626, 647, 1252, 1294, 2504, 2588, 5176, 5947, 11894, 12293, 23788, 24586, 47576, 49172, 98344, 202511, 405022, 810044, 1620088, 3847709, 7695418, 15390836, 30781672]

約数ペア:

[(1, 30781672), (2, 15390836), (4, 7695418), (8, 3847709), (19, 1620088), (38, 810044), (76, 405022), (152, 202511), (313, 98344), (626, 49172), (647, 47576), (1252, 24586), (1294, 23788), (2504, 12293), (2588, 11894), (5176, 5947)]