1905487199

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{5743}}^1$

素因数の和:5931

約数の個数: 32

約数和(自身を含む): 2470379520

約数和(自身を除く): 564892321

約数列:

[1, 7, 11, 31, 77, 139, 217, 341, 973, 1529, 2387, 4309, 5743, 10703, 30163, 40201, 47399, 63173, 178033, 331793, 442211, 798277, 1246231, 1958363, 5587939, 8781047, 13708541, 24746587, 61467329, 173226109, 272212457, 1905487199]

約数ペア:

[(1, 1905487199), (7, 272212457), (11, 173226109), (31, 61467329), (77, 24746587), (139, 13708541), (217, 8781047), (341, 5587939), (973, 1958363), (1529, 1246231), (2387, 798277), (4309, 442211), (5743, 331793), (10703, 178033), (30163, 63173), (40201, 47399)]