78816712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39887}}^1$

素因数の和:39925

約数の個数: 32

約数和(自身を含む): 167529600

約数和(自身を除く): 88712888

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 39887, 79774, 159548, 319096, 518531, 757853, 1037062, 1515706, 2074124, 3031412, 4148248, 6062824, 9852089, 19704178, 39408356, 78816712]

約数ペア:

[(1, 78816712), (2, 39408356), (4, 19704178), (8, 9852089), (13, 6062824), (19, 4148248), (26, 3031412), (38, 2074124), (52, 1515706), (76, 1037062), (104, 757853), (152, 518531), (247, 319096), (494, 159548), (988, 79774), (1976, 39887)]