2190777215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{6857}}^1$

素因数の和:7067

約数の個数: 32

約数和(自身を含む): 2964631104

約数和(自身を除く): 773853889

約数列:

[1, 5, 11, 37, 55, 157, 185, 407, 785, 1727, 2035, 5809, 6857, 8635, 29045, 34285, 63899, 75427, 253709, 319495, 377135, 1076549, 1268545, 2790799, 5382745, 11842039, 13953995, 39832313, 59210195, 199161565, 438155443, 2190777215]

約数ペア:

[(1, 2190777215), (5, 438155443), (11, 199161565), (37, 59210195), (55, 39832313), (157, 13953995), (185, 11842039), (407, 5382745), (785, 2790799), (1727, 1268545), (2035, 1076549), (5809, 377135), (6857, 319495), (8635, 253709), (29045, 75427), (34285, 63899)]