1906978889095

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1\times {\mathrm{1657}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 2647024323840

約数和(自身を除く): 740045434745

約数列:

[1, 5, 7, 35, 137, 389, 617, 685, 959, 1657, 1945, 2723, 3085, 4319, 4795, 8285, 11599, 13615, 21595, 53293, 57995, 84529, 227009, 240013, 266465, 373051, 422645, 591703, 644573, 1022369, 1135045, 1200065, 1589063, 1680091, 1865255, 2958515, 3222865, 4512011, 5111845, 7156583, 7945315, 8400455, 22560055, 32881781, 35782915, 88306501, 140064553, 164408905, 230172467, 397701541, 441532505, 618145507, 700322765, 980451871, 1150862335, 1988507705, 2783910787, 3090727535, 4902259355, 13919553935, 54485111117, 272425555585, 381395777819, 1906978889095]

約数ペア:

[(1, 1906978889095), (5, 381395777819), (7, 272425555585), (35, 54485111117), (137, 13919553935), (389, 4902259355), (617, 3090727535), (685, 2783910787), (959, 1988507705), (1657, 1150862335), (1945, 980451871), (2723, 700322765), (3085, 618145507), (4319, 441532505), (4795, 397701541), (8285, 230172467), (11599, 164408905), (13615, 140064553), (21595, 88306501), (53293, 35782915), (57995, 32881781), (84529, 22560055), (227009, 8400455), (240013, 7945315), (266465, 7156583), (373051, 5111845), (422645, 4512011), (591703, 3222865), (644573, 2958515), (1022369, 1865255), (1135045, 1680091), (1200065, 1589063)]